lb@vps:~/tmp/.weechat$ grep -Eio '[a-z]'<<< 'mittromneyandpaulryan' | sort | uniq -c
      3 a
      1 d
      1 e
      1 i
      1 l
      2 m
      3 n
      1 o
      1 p
      2 r
      2 t
      1 u
      2 y
lb@vps:~/tmp/.weechat$ grep -Eio '[a-z]'<<< 'myultimateaynrandporn' | sort | uniq -c
      3 a
      1 d
      1 e
      1 i
      1 l
      2 m
      3 n
      1 o
      1 p
      2 r
      2 t
      1 u
      2 y