elles se mettent au lit
elles se mettre à lit
pro:sub pro:refl v prep n
elles se mettent au lit ?
ɛ l WORD_BOUNDARY s ə WORD_BOUNDARY m ɛ t t WORD_BOUNDARY o WORD_BOUNDARY l i WORD_BOUNDARY
e l l e s WORD_BOUNDARY s e WORD_BOUNDARY m e t t e n t WORD_BOUNDARY a u WORD_BOUNDARY l i t WORD_BOUNDARY