à quoi ça sert ce petit machin
à quoi ça servir ce petit machin
prep pro:rel pro:dem v pro:dem adj n
à quoi ça sert ce petit machin ?
a WORD_BOUNDARY k w a WORD_BOUNDARY s a WORD_BOUNDARY s ɛ ʁ WORD_BOUNDARY s ə WORD_BOUNDARY p ə t i WORD_BOUNDARY m a ʃ ɛ̃ WORD_BOUNDARY
à WORD_BOUNDARY q u o i WORD_BOUNDARY ç a WORD_BOUNDARY s e r t WORD_BOUNDARY c e WORD_BOUNDARY p e t i t WORD_BOUNDARY m a c h i n WORD_BOUNDARY