a-a a-b aaa aab aah aak aan aau ab- aba abb abh abk abn abu aha ahb ahh ahk ahn ahu aka akb akh akk akn aku an- ana anb anh ank ann anu au- aua aub auh auk aun b-u baa bab bah bak ban bau bba bbb bbh bbk bbn bbu bha bhb bhh bhk bhu bka bkb bkk bkn bna bnb bnk bnn bnu bua bub buh buk bun buu haa hab hah hak han hau hba hbb hbh hbk hbn hbu hha hhb hhh hhk hhn hhu hka hkb hkh hkk hkn hku hna hnb hnh hnk hnn hnu hua hub huh huk hun huu ka- kaa kab kah kak kan kau kba kbb kbh kbk kbn kbu kha khh khk khn khu kkb kkh kkk kkn kku kn- kna knk knn knu kub kuh kuk kun kuu naa nab nah nak nan nau nba nbb nbk nbn nbu nha nhb nhh nhk nhn nhu nka nkk nkn nku nna nnb nnh nnk nnn nnu nua nub nuh nuk nun nuu ua- uaa uab uah uak uan uau uba ubb ubh ubk ubn ubu uha uhb uhh uhu uka ukb ukk ukn uku un- una unb unh unk unn unu uua uun uuu