a-a a-b aaa aab aah aak aan aay ab- aba abb abh abk abn aby aha ahb ahh ahk ahn ahy aka akb akh akk akn an- ana anb anh ank ann any ay- aya ayh ayk ayn baa bab bah bak ban bay bba bbb bbh bbk bbn bby bha bhb bhh bhk bka bkb bkk bkn bna bnb bnk bnn by- bya byh byk byn haa hab hah hak han hay hba hbb hbh hbk hbn hby hha hhb hhh hhk hhn hhy hka hkb hkh hkk hkn hna hnb hnh hnk hnn hny hy- hya hyb hyh hyn hyy ka- kaa kab kah kak kan kay kba kbb kbh kbk kbn kha khh khk khn kkb kkh kkk kkn kky kn- kna knk knn kya kyn naa nab nah nak nan nay nba nbb nbk nbn nha nhb nhh nhk nhn nhy nka nkk nkn nky nna nnb nnh nnk nnn nya nyk nyn nyy yaa yab yah yak yan yay yby yha yka ykk ykn yna ynk ynn yny yyb yyy