a quoi ça sert ça
avoir quoi ça servir ça
v:aux pro:rel pro:dem v pro:dem
a quoi ça sert ça ?
a WORD_BOUNDARY k w a WORD_BOUNDARY s a WORD_BOUNDARY s ɛ ʁ WORD_BOUNDARY s a WORD_BOUNDARY
a WORD_BOUNDARY q u o i WORD_BOUNDARY ç a WORD_BOUNDARY s e r t WORD_BOUNDARY ç a WORD_BOUNDARY