a-a a-b a-z aaa aab aae aah aak aan aau aaz ab- aba abb abe abh abk abn abu abz aea aeb aee aeh aek aen aeu aez aha ahb ahe ahh ahk ahn ahu ahz aka akb ake akh akk akn aku an- ana anb ane anh ank ann anu anz au- aua aub aue auh auk aun auz az- aza azb aze azn azu azz b-u baa bab bae bah bak ban bau baz bba bbb bbe bbh bbk bbn bbu be- bea beb bee beh bek ben beu bez bha bhb bhe bhh bhk bhu bka bkb bke bkk bkn bna bnb bne bnk bnn bnu bnz bua bub bue buh buk bun buu buz bza bze bzh bzn bzu bzz eaa eab eae eah eak ean eau eaz eba ebb ebe ebh ebk ebn ebu eea eeb eee eek een eha ehb ehe ehh ehn ehu eka ekb eke ekh eku en- ena enb ene enh enk enn enu enz eu- eua eub eue eun eze ezh ezz haa hab hae hah hak han hau haz hba hbb hbe hbh hbk hbn hbu hbz he- hea heb hee heh hek hen heu hez hha hhb hhe hhh hhk hhn hhu hhz hka hkb hkh hkk hkn hku hna hnb hne hnh hnk hnn hnu hnz hua hub hue huh huk hun huu huz hze k-z ka- kaa kab kae kah kak kan kau kaz kba kbb kbe kbh kbk kbn kbu kbz ke- kea keb kee keh kek ken kez kha khe khh khk khn khu khz kkb kke kkh kkk kkn kku kn- kna kne knk knn knu kub kue kuh kuk kun kuu naa nab nae nah nak nan nau naz nba nbb nbe nbk nbn nbu ne- nea neb nee neh nek nen neu nez nha nhb nhe nhh nhk nhn nhu nhz nka nke nkk nkn nku nna nnb nne nnh nnk nnn nnu nnz nua nub nue nuh nuk nun nuu nzb nze nzz ua- uaa uab uae uah uak uan uau uaz uba ubb ube ubh ubk ubn ubu uea ueb uee ueh uen uha uhb uhe uhh uhu uka ukb uke ukk ukn uku ukz un- una unb une unh unk unn unu uua uue uun uuu uza uzb uzh uzu zaa zab zah zak zan zaz zbb zea zeb zee zeh zek zen zez zha zhe zhu zka zne znn zub zuk zun zuz zzz