bah va chercher hein
bah aller chercher hein
co v:mdl v co
bah va chercher hein .
b a WORD_BOUNDARY v a WORD_BOUNDARY ʃ ɛ ʁ ʃ e WORD_BOUNDARY  ɛ̃ WORD_BOUNDARY
b a h WORD_BOUNDARY v a WORD_BOUNDARY c h e r c h e r WORD_BOUNDARY h e i n WORD_BOUNDARY