aa1 㓤 㓤 aa3
aa1 gut1 gut1 aa3
co v v sfp
aa1 㓤 㓤 aa3 .
a̞˥ WORD_BOUNDARY k u˥ t WORD_BOUNDARY k u˥ t WORD_BOUNDARY a̞˧ WORD_BOUNDARY
a a 1 WORD_BOUNDARY 㓤 WORD_BOUNDARY 㓤 WORD_BOUNDARY a a 3 WORD_BOUNDARY . WORD_BOUNDARY