a-a a-b aaa aab aad aak aaw aay ab- aba abb abd abk abw aby ad- ada adb add adk adw ady aka akb akd akk akw aw- awa awb awd awk aww awy ay- aya ayd ayk ayw baa bab bad bak baw bay bba bbb bbd bbk bbw bby bda bdb bdd bdk bdw bdy bka bkb bkk bkw bwa bwb bwd bwk bwy by- bya byd byk daa dab dad dak daw day dba dbb dbd dbk dby dda ddb ddd ddk ddw ddy dka dkb dkk dkw dwa dwb dww dy- dya dyb dyd dyk dyw dyy ka- kaa kab kad kak kaw kay kba kbb kbd kbk kbw kda kdb kdk kdy kkb kkk kky kw- kwa kwd kwk kww kya kyd kyw waa wab wad wak waw way wba wbb wbd wbw wda wdb wdy wka wkb wkd wkw wky wwa wwd www wy- wya wyd wyk yaa yab yad yak yaw yay yby yda ydy yka ykk yyb yyy