aito aitomoua

aitoa,  int. denoting satisfaction on account of something disastrous that has happened to another. Aitoa ! ah ! it served him right; he well deserved it ! [Dav : 437] (note)
aitoa,  s. the beginning of some words used as a charm; when a person happened to have a fish-bone sticking in the throat, the priest or some other person would say, aitoa, aitoa, oe i raoa; see raoa. [Dav : 438]
aitoa,  int. tant mieux ! (pour le mal). [Jau :138]