a-a a-b a-q aaa aab aad aaq aau aay ab- aba abb abd abq abu aby ad- ada adb add adq adu ady aqa au- aua aub aud ay- aya ayd ayu b-u baa bab bad baq bau bay bba bbb bbd bbq bbu bby bda bdb bdd bdq bdu bdy bqd bua bub bud buu buy by- bya byd byq byu daa dab dad daq dau day dba dbb dbd dbq dbu dby dda ddb ddd ddq ddu ddy dqa dua dub dud duy dy- dya dyb dyd dyu dyy qaa qad qau qba qbd qbq qda qdb qqq qqu qu- qua qud quy ua- uaa uab uad uaq uau uay uba ubb ubu uby uda udb udd udu uua uuu uyu yaa yab yad yau yay yby yda ydy yqb yua yud yuu yuy yyb yyu yyy