a-a a-b a-i aaa aab aah aai aak aar aau ab- aba abb abh abi abk abr abu aha ahb ahh ahi ahk ahr ahu ai- aia aib aih aii aik air aiu aka akb akh aki akk akr aku ar- ara arb arh ari ark arr aru au- aua aub auh aui auk aur b-u baa bab bah bai bak bar bau bba bbb bbh bbi bbk bbr bbu bha bhb bhh bhi bhk bhr bhu bi- bia bib bih bii bik bir biu bka bkb bkk bkr bra brb brh bri brk brr bru bua bub buh bui buk bur buu h-i haa hab hah hai hak har hau hba hbb hbh hbi hbk hbr hbu hha hhb hhh hhi hhk hhr hhu hia hib hih hii hik hir hiu hka hkb hkh hki hkk hkr hku hr- hra hrb hrh hri hrk hrr hru hua hub huh hui huk hur huu ia- iaa iab iah iai iar iau iba ibb ibh ibi ibk ibr ibu iha ihb ihh ihi ihk ihr ihu iia iib iih iii iir iiu ika ikb iki ikk ikr iku ir- ira irb iri irk irr iru iu- iua iub iui iur ka- kaa kab kah kai kak kar kau kba kbb kbh kbi kbk kbr kbu kha khh khi khk khr khu kia kib kih kii kik kir kiu kkb kkh kki kkk kkr kku kra kri krk krr kru kub kuh kui kuk kur kuu ra- raa rab rah rai rak rar rau rba rbb rbh rbi rbk rbr rbu rh- rha rhb rhh rhi rhr rhu ria rib rih rii rik rir rkb rkk rku rra rrb rrh rri rrk rrr rru rua rub ruh rui ruk rur ruu ua- uaa uab uah uai uak uar uau uba ubb ubh ubi ubk ubr ubu uha uhb uhh uhi uhr uhu uia uib uii uir uiu uka ukb uki ukk ukr uku ur- ura urb uri urk urr uru uua uur uuu