String-able Three-Letter English Words (abridged)

 aah -> ['aha', 'ahi']
 ace -> ['cel']
 ada -> ['dab', 'dad', 'dam', 'dan', 'daw', 'day']
 adi -> ['did', 'dig', 'dim']
 ado -> ['doc', 'doe', 'dom', 'don', 'dow']
 age -> ['gee', 'gel', 'get']
 ago -> ['gob', 'god', 'goo']
 aha -> ['had', 'hag', 'hah', 'ham', 'hap', 'has', 'hat', 'haw', 'hay']
 ahi -> ['hic', 'hid', 'him', 'hin', 'his', 'hit']
 aid -> ['ida']
 air -> ['ira', 'ire']
 ale -> ['lea', 'led', 'lee', 'leg', 'let', 'ley']
 ali -> ['lid', 'lil', 'lin', 'lit', 'liv']
 ami -> ['mic', 'mid', 'mig', 'mil', 'min', 'mis']
 ana -> ['nab', 'nag', 'nah', 'nan', 'nap', 'nat', 'naw', 'nay']
 ape -> ['pea', 'pee', 'peg', 'pen', 'per', 'pet', 'pew']
 are -> ['rea', 'red', 'ref', 'rev']
 ash -> ['she', 'shy']
 ask -> ['ska', 'ski', 'sky']
 asp -> ['spa', 'spy']
 ate -> ['tea', 'ted', 'tee', 'ten']
 ava -> ['vac', 'val', 'van', 'vat', 'vau']
 awe -> ['web', 'wed', 'wee', 'wet']
 aye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 baa -> ['aah']
 bad -> ['ada', 'adi', 'ado']
 bag -> ['age', 'ago']
 bah -> ['aha', 'ahi']
 bam -> ['ami', 'amy']
 ban -> ['ana', 'ant']
 bap -> ['ape']
 bar -> ['are']
 bat -> ['ate']
 bay -> ['aye']
 bed -> ['eda', 'edi', 'edy']
 bee -> ['eek', 'eel']
 beg -> ['ego']
 bet -> ['eta', 'eth']
 bid -> ['ida']
 bio -> ['ion']
 bit -> ['its']
 boa -> ['oaf', 'oar', 'oat']
 bod -> ['ode']
 boo -> ['ooh']
 bop -> ['ops']
 bow -> ['owe']
 bra -> ['rad', 'rag', 'rah', 'ram', 'ran', 'rap', 'rat', 'raw', 'ray']
 bro -> ['rob', 'roc', 'rod', 'roe', 'row']
 bug -> ['ugh']
 bun -> ['una']
 bus -> ['use']
 but -> ['ute', 'uts']
 bye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 cad -> ['ada', 'adi', 'ado']
 cal -> ['ale', 'ali']
 cam -> ['ami', 'amy']
 can -> ['ana', 'ant']
 cap -> ['ape']
 car -> ['are']
 cat -> ['ate']
 caw -> ['awe']
 cay -> ['aye']
 chi -> ['hic', 'hid', 'him', 'hin', 'his', 'hit']
 cod -> ['ode']
 con -> ['one']
 coo -> ['ooh']
 cop -> ['ops']
 cow -> ['owe']
 cru -> ['rug', 'rum', 'run', 'rut']
 cry -> ['rye']
 cut -> ['ute', 'uts']
 dad -> ['ada', 'adi', 'ado']
 dam -> ['ami', 'amy']
 dan -> ['ana', 'ant']
 daw -> ['awe']
 day -> ['aye']
 dee -> ['eek', 'eel']
 dev -> ['eva', 'eve']
 dew -> ['ewe']
 did -> ['ida']
 don -> ['one']
 dow -> ['owe']
 dre -> ['rea', 'red', 'ref', 'rev']
 dru -> ['rug', 'rum', 'run', 'rut']
 dry -> ['rye']
 dug -> ['ugh']
 dun -> ['una']
 dye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 ear -> ['are']
 eat -> ['ate']
 eda -> ['dab', 'dad', 'dam', 'dan', 'daw', 'day']
 edi -> ['did', 'dig', 'dim']
 edy -> ['dye']
 eek -> ['eke']
 ego -> ['gob', 'god', 'goo']
 eke -> ['key']
 ema -> ['mab', 'mac', 'mad', 'mag', 'man', 'map', 'mar', 'mat', 'maw', 'max', 'may']
 emu -> ['mud', 'mug', 'mum', 'mun', 'mus', 'mut']
 eon -> ['one']
 era -> ['rad', 'rag', 'rah', 'ram', 'ran', 'rap', 'rat', 'raw', 'ray']
 ere -> ['rea', 'red', 'ref', 'rev']
 eta -> ['tab', 'tad', 'tag', 'tan', 'tap', 'tar', 'tat', 'tau', 'tav', 'tax']
 eth -> ['the', 'tho', 'thy']
 eva -> ['vac', 'val', 'van', 'vat', 'vau']
 eve -> ['veg', 'vet']
 ewe -> ['web', 'wed', 'wee', 'wet']
 eye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 fad -> ['ada', 'adi', 'ado']
 fan -> ['ana', 'ant']
 far -> ['are']
 fat -> ['ate']
 fay -> ['aye']
 fed -> ['eda', 'edi', 'edy']
 fee -> ['eek', 'eel']
 fem -> ['ema', 'emu']
 few -> ['ewe']
 fey -> ['eye']
 fir -> ['ira', 'ire']
 fit -> ['its']
 flo -> ['lob', 'loo', 'lop', 'lou', 'low', 'lox']
 flu -> ['lug', 'lum']
 fly -> ['lye']
 fop -> ['ops']
 fro -> ['rob', 'roc', 'rod', 'roe', 'row']
 fry -> ['rye']
 fun -> ['una']
 gad -> ['ada', 'adi', 'ado']
 gag -> ['age', 'ago']
 gal -> ['ale', 'ali']
 gap -> ['ape']
 gar -> ['are']
 gat -> ['ate']
 gay -> ['aye']
 gee -> ['eek', 'eel']
 get -> ['eta', 'eth']
 ghi -> ['hic', 'hid', 'him', 'hin', 'his', 'hit']
 git -> ['its']
 gnu -> ['nun', 'nus', 'nut']
 god -> ['ode']
 goo -> ['ooh']
 gun -> ['una']
 gus -> ['use']
 gut -> ['ute', 'uts']
 had -> ['ada', 'adi', 'ado']
 hag -> ['age', 'ago']
 hah -> ['aha', 'ahi']
 ham -> ['ami', 'amy']
 hap -> ['ape']
 has -> ['ash', 'ask', 'asp']
 hat -> ['ate']
 haw -> ['awe']
 hay -> ['aye']
 hem -> ['ema', 'emu']
 her -> ['era', 'ere']
 het -> ['eta', 'eth']
 hew -> ['ewe']
 hey -> ['eye']
 hic -> ['ice', 'icy']
 hid -> ['ida']
 hit -> ['its']
 hon -> ['one']
 hop -> ['ops']
 how -> ['owe']
 hug -> ['ugh']
 hun -> ['una']
 hut -> ['ute', 'uts']
 ice -> ['cel']
 ida -> ['dab', 'dad', 'dam', 'dan', 'daw', 'day']
 ion -> ['one']
 ira -> ['rad', 'rag', 'rah', 'ram', 'ran', 'rap', 'rat', 'raw', 'ray']
 ire -> ['rea', 'red', 'ref', 'rev']
 jam -> ['ami', 'amy']
 jar -> ['are']
 jaw -> ['awe']
 jay -> ['aye']
 jet -> ['eta', 'eth']
 jew -> ['ewe']
 jug -> ['ugh']
 jut -> ['ute', 'uts']
 kat -> ['ate']
 kay -> ['aye']
 key -> ['eye']
 kid -> ['ida']
 kit -> ['its']
 koi -> ['oil']
 lad -> ['ada', 'adi', 'ado']
 lag -> ['age', 'ago']
 lam -> ['ami', 'amy']
 lap -> ['ape']
 las -> ['ash', 'ask', 'asp']
 law -> ['awe']
 lay -> ['aye']
 lea -> ['ear', 'eat', 'eau']
 led -> ['eda', 'edi', 'edy']
 lee -> ['eek', 'eel']
 leg -> ['ego']
 let -> ['eta', 'eth']
 ley -> ['eye']
 lid -> ['ida']
 lit -> ['its']
 loo -> ['ooh']
 lop -> ['ops']
 lou -> ['our', 'out']
 low -> ['owe']
 lug -> ['ugh']
 lye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 mac -> ['ace']
 mad -> ['ada', 'adi', 'ado']
 mag -> ['age', 'ago']
 man -> ['ana', 'ant']
 map -> ['ape']
 mar -> ['are']
 mat -> ['ate']
 maw -> ['awe']
 may -> ['aye']
 med -> ['eda', 'edi', 'edy']
 meg -> ['ego']
 met -> ['eta', 'eth']
 mew -> ['ewe']
 mic -> ['ice', 'icy']
 mid -> ['ida']
 mod -> ['ode']
 mon -> ['one']
 moo -> ['ooh']
 mop -> ['ops']
 mow -> ['owe']
 mug -> ['ugh']
 mun -> ['una']
 mus -> ['use']
 mut -> ['ute', 'uts']
 nag -> ['age', 'ago']
 nah -> ['aha', 'ahi']
 nan -> ['ana', 'ant']
 nap -> ['ape']
 nat -> ['ate']
 naw -> ['awe']
 nay -> ['aye']
 neg -> ['ego']
 net -> ['eta', 'eth']
 new -> ['ewe']
 nit -> ['its']
 nod -> ['ode']
 noh -> ['ohm']
 noo -> ['ooh']
 now -> ['owe']
 nun -> ['una']
 nus -> ['use']
 nut -> ['ute', 'uts']
 oar -> ['are']
 oat -> ['ate']
 ode -> ['deb', 'dee', 'den', 'dev', 'dew']
 one -> ['neg', 'net', 'new']
 ooh -> ['ohm']
 ops -> ['psi']
 out -> ['ute', 'uts']
 ova -> ['vac', 'val', 'van', 'vat', 'vau']
 owe -> ['web', 'wed', 'wee', 'wet']
 pad -> ['ada', 'adi', 'ado']
 pal -> ['ale', 'ali']
 pam -> ['ami', 'amy']
 pan -> ['ana', 'ant']
 pat -> ['ate']
 paw -> ['awe']
 pay -> ['aye']
 pea -> ['ear', 'eat', 'eau']
 pee -> ['eek', 'eel']
 peg -> ['ego']
 per -> ['era', 'ere']
 pet -> ['eta', 'eth']
 pew -> ['ewe']
 phi -> ['hic', 'hid', 'him', 'hin', 'his', 'hit']
 pic -> ['ice', 'icy']
 pit -> ['its']
 ply -> ['lye']
 pod -> ['ode']
 poi -> ['oil']
 pop -> ['ops']
 pow -> ['owe']
 pro -> ['rob', 'roc', 'rod', 'roe', 'row']
 pry -> ['rye']
 psi -> ['sim', 'sin', 'sir', 'sis', 'sit']
 pug -> ['ugh']
 pun -> ['una']
 pus -> ['use']
 put -> ['ute', 'uts']
 rad -> ['ada', 'adi', 'ado']
 rag -> ['age', 'ago']
 rah -> ['aha', 'ahi']
 ram -> ['ami', 'amy']
 ran -> ['ana', 'ant']
 rap -> ['ape']
 rat -> ['ate']
 raw -> ['awe']
 ray -> ['aye']
 rea -> ['ear', 'eat', 'eau']
 red -> ['eda', 'edi', 'edy']
 rev -> ['eva', 'eve']
 rho -> ['hob', 'hoe', 'hon', 'hop', 'how']
 rid -> ['ida']
 rod -> ['ode']
 row -> ['owe']
 rug -> ['ugh']
 run -> ['una']
 rut -> ['ute', 'uts']
 rye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 sad -> ['ada', 'adi', 'ado']
 sag -> ['age', 'ago']
 sal -> ['ale', 'ali']
 sam -> ['ami', 'amy']
 sap -> ['ape']
 sat -> ['ate']
 saw -> ['awe']
 say -> ['aye']
 sea -> ['ear', 'eat', 'eau']
 see -> ['eek', 'eel']
 set -> ['eta', 'eth']
 sew -> ['ewe']
 she -> ['hem', 'hen', 'her', 'het', 'hew', 'hey']
 sir -> ['ira', 'ire']
 sit -> ['its']
 ska -> ['kat', 'kay']
 ski -> ['kid', 'kim', 'kin', 'kit']
 sly -> ['lye']
 sod -> ['ode']
 son -> ['one']
 sop -> ['ops']
 sow -> ['owe']
 spa -> ['pad', 'pal', 'pam', 'pan', 'pat', 'paw', 'pay']
 sty -> ['tye']
 sun -> ['una']
 tad -> ['ada', 'adi', 'ado']
 tag -> ['age', 'ago']
 tan -> ['ana', 'ant']
 tap -> ['ape']
 tar -> ['are']
 tat -> ['ate']
 tav -> ['ava']
 tea -> ['ear', 'eat', 'eau']
 ted -> ['eda', 'edi', 'edy']
 tee -> ['eek', 'eel']
 the -> ['hem', 'hen', 'her', 'het', 'hew', 'hey']
 tho -> ['hob', 'hoe', 'hon', 'hop', 'how']
 tic -> ['ice', 'icy']
 tit -> ['its']
 tod -> ['ode']
 ton -> ['one']
 too -> ['ooh']
 top -> ['ops']
 tow -> ['owe']
 try -> ['rye']
 tug -> ['ugh']
 tut -> ['ute', 'uts']
 two -> ['woe', 'wok', 'won', 'woo', 'wow']
 tye -> ['yea', 'yen', 'yes', 'yet', 'yew']
 ugh -> ['ghi']
 uke -> ['key']
 una -> ['nab', 'nag', 'nah', 'nan', 'nap', 'nat', 'naw', 'nay']
 use -> ['sea', 'sec', 'see', 'set', 'sew']
 ute -> ['tea', 'ted', 'tee', 'ten']
 vac -> ['ace']
 val -> ['ale', 'ali']
 van -> ['ana', 'ant']
 vat -> ['ate']
 veg -> ['ego']
 vet -> ['eta', 'eth']
 vid -> ['ida']
 vow -> ['owe']
 wad -> ['ada', 'adi', 'ado']
 wag -> ['age', 'ago']
 wan -> ['ana', 'ant']
 war -> ['are']
 was -> ['ash', 'ask', 'asp']
 way -> ['aye']
 wed -> ['eda', 'edi', 'edy']
 wee -> ['eek', 'eel']
 wet -> ['eta', 'eth']
 who -> ['hob', 'hoe', 'hon', 'hop', 'how']
 wit -> ['its']
 won -> ['one']
 woo -> ['ooh']
 wow -> ['owe']
 wry -> ['rye']
 yah -> ['aha', 'ahi']
 yam -> ['ami', 'amy']
 yap -> ['ape']
 yar -> ['are']
 yaw -> ['awe']
 yay -> ['aye']
 yea -> ['ear', 'eat', 'eau']
 yet -> ['eta', 'eth']
 yew -> ['ewe']
 yon -> ['one']
 you -> ['our', 'out']
 yow -> ['owe']
 yuk -> ['uke']
 zag -> ['age', 'ago']
 zap -> ['ape']
 zed -> ['eda', 'edi', 'edy']
 zee -> ['eek', 'eel']
 zit -> ['its']
 zoo -> ['ooh']