-to-s
-ko-s
-lo-s
-i̯o-s (origin/possession, apparently from pronoun i̯os)
-mo-s (action? object, performing action?)
-u̯o-s
-no-s (abundance of property?)
-ro-s (primary adjective?)


-isto-s (binary contrast, superlative)
-isko-s (placenames?)
-ismo-s (action name?)
-isi̯o-s