a-a a-b aaa aab aah aak aan aas aau ab- aba abb abh abk abn abs abu aha ahb ahh ahk ahn ahs ahu aka akb akh akk akn aks aku an- ana anb anh ank ann ans anu as- asa asb ash ask asn ass asu au- aua aub auh auk aun aus b-u baa bab bah bak ban bas bau bba bbb bbh bbk bbn bbs bbu bha bhb bhh bhk bhs bhu bka bkb bkk bkn bks bna bnb bnk bnn bns bnu bsa bsb bsh bsk bsn bss bsu bua bub buh buk bun bus buu haa hab hah hak han has hau hba hbb hbh hbk hbn hbs hbu hha hhb hhh hhk hhn hhs hhu hka hkb hkh hkk hkn hks hku hna hnb hnh hnk hnn hns hnu hsa hsb hsh hsk hsn hss hsu hua hub huh huk hun hus huu ka- kaa kab kah kak kan kas kau kba kbb kbh kbk kbn kbs kbu kha khh khk khn khs khu kkb kkh kkk kkn kks kku kn- kna knk knn knu ksa ksb ksh ksk ksn kss ksu kub kuh kuk kun kus kuu naa nab nah nak nan nas nau nba nbb nbk nbn nbs nbu nha nhb nhh nhk nhn nhs nhu nka nkk nkn nks nku nna nnb nnh nnk nnn nns nnu nsa nsb nsh nsk nsn nss nsu nua nub nuh nuk nun nus nuu saa sab sah sak san sas sau sba sbb sbh sbk sbn sbs sbu sh- sha shb shh shk shn shs shu sk- ska skb skh skk sks sku sna snb snk snn sns snu ss- ssa ssb ssh ssk ssn sss ssu sua sub suh suk sun sus suu ua- uaa uab uah uak uan uas uau uba ubb ubh ubk ubn ubs ubu uha uhb uhh uhs uhu uka ukb ukk ukn uku un- una unb unh unk unn uns unu usa usb ush usk usn uss usu uua uun uus uuu