U del primer grado D
u del primer grado d .
u WORD_BOUNDARY d e̞ l WORD_BOUNDARY p ɾ i m e̞ ɾ WORD_BOUNDARY ɡ ɾ a d o̞ WORD_BOUNDARY d WORD_BOUNDARY
u WORD_BOUNDARY d e l WORD_BOUNDARY p r i m e r WORD_BOUNDARY g r a d o WORD_BOUNDARY d WORD_BOUNDARY . WORD_BOUNDARY