a-a a-b aaa aab aaj aak aau aay ab- aba abb abj abk abu aby aja ajb ajj ajk aju ajy aka akb akj akk aku au- aua aub auj auk ay- aya ayk ayu b-u baa bab baj bak bau bay bba bbb bbk bbu bby bja bjj bjk bju bka bkb bkk bua bub buj buk buu buy by- bya byj byk byu jaa jab jaj jak jau jay jba jbj jbk jbu jja jjb jjj jjk jju jjy jka jkb jkk jku jub juk juy jyj ka- kaa kab kaj kak kau kay kba kbb kbk kbu kjb kju kkb kkk kku kky kub kuj kuk kuu kuy kya kyu ua- uaa uab uaj uak uau uay uba ubb ubk ubu uby uka ukb ukk uku uua uuu uyu yaa yab yak yau yay yby yka ykk yua yuj yuk yuu yuy yyb yyu yyy