a-a a-b aaa aab aah aaj aak aau ab- aba abb abh abj abk abu aha ahb ahh ahj ahk ahu aja ajb ajh ajj ajk aju aka akb akh akj akk aku au- aua aub auh auj auk b-u baa bab bah baj bak bau bba bbb bbh bbk bbu bha bhb bhh bhj bhk bhu bja bjj bjk bju bka bkb bkk bua bub buh buj buk buu haa hab hah haj hak hau hba hbb hbh hbj hbk hbu hha hhb hhh hhj hhk hhu hja hjk hka hkb hkh hkk hku hua hub huh huj huk huu jaa jab jah jaj jak jau jba jbj jbk jbu jha jhj jhu jja jjb jjj jjk jju jka jkb jkh jkk jku jub juh juk ka- kaa kab kah kaj kak kau kba kbb kbh kbk kbu kha khh khj khk khu kjb kju kkb kkh kkk kku kub kuh kuj kuk kuu ua- uaa uab uah uaj uak uau uba ubb ubh ubk ubu uha uhb uhh uhj uhu uka ukb ukk uku uua uuu