いい気

いいき

Adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)

言いきれないいいきれない

I'm not so sure; I can hardly say with any finality that ...

言いきるいいきる

to declare; to assert; to state definitively

きもいきもい

gross; disgusting

思いきやおもいきや

contrary to expectations; or so we thought, but ...

きいっきいっ

with a screech; with a squeak; with a squeal