One possible three-letter word for "bill" would be "IOU." Another might be "neb," which is a bird's bill.
end
End
NIB
neb
Neb
Satsuma, Apricot....Thats all I can come up with for now :D
4 letter word for final
One seven letter word, One two letter word and a five letter word, One three letter word and a four letter word, One three letter word and two two letter words, Two three letter words, Three two letter words, A two letter word and a four letter word, A six letter word, A two letter word and a three letter word, A five letter word, Two two letter words, A four letter word, A three letter word, or A two letter word.
Bill Gates - so Gates is the 5 letter word.
I've is a three letter word. I'll is another three letter word.
Imp is a three-letter word for rapscallion.