a-a a-b a-i aaa aab aah aai aak aao aar aas aau ab- aba abb abh abi abk abo abr abs abu aha ahb ahh ahi ahk aho ahr ahs ahu ai- aia aib aih aii aik aio air ais aiu aka akb akh aki akk ako akr aks aku aoa aob aoh aoi aok aoo aor aos aou ar- ara arb arh ari ark aro arr ars aru as- asa asb ash asi ask aso asr ass asu au- aua aub auh aui auk auo aur aus b-u baa bab bah bai bak bao bar bas bau bba bbb bbh bbi bbk bbo bbr bbs bbu bha bhb bhh bhi bhk bho bhr bhs bhu bi- bia bib bih bii bik bio bir bis biu bka bkb bkk bko bkr bks boa bob boh boi bok boo bor bos bou bra brb brh bri brk bro brr brs bru bsa bsb bsh bsi bsk bso bsr bss bsu bua bub buh bui buk buo bur bus buu h-i haa hab hah hai hak hao har has hau hba hbb hbh hbi hbk hbo hbr hbs hbu hha hhb hhh hhi hhk hho hhr hhs hhu hia hib hih hii hik hio hir his hiu hka hkb hkh hki hkk hko hkr hks hku hoa hob hoh hoi hok hoo hor hos hou hr- hra hrb hrh hri hrk hro hrr hrs hru hsa hsb hsh hsi hsk hsr hss hsu hua hub huh hui huk huo hur hus huu ia- iaa iab iah iai iao iar ias iau iba ibb ibh ibi ibk ibo ibr ibs ibu iha ihb ihh ihi ihk iho ihr ihs ihu iia iib iih iii iio iir iis iiu ika ikb iki ikk iko ikr iks iku io- ioa iob ioh ioi ioo ior ios iou ir- ira irb iri irk iro irr irs iru is- isa isb ish isi isk iso isr iss isu iu- iua iub iui iur ius ka- kaa kab kah kai kak kao kar kas kau kba kbb kbh kbi kbk kbo kbr kbs kbu kha khh khi khk kho khr khs khu kia kib kih kii kik kio kir kis kiu kkb kkh kki kkk kkr kks kku koa kob koh koi kok koo kor kos kou kra kri krk kro krr krs kru ksa ksb ksh ksi ksk kso ksr kss ksu kub kuh kui kuk kur kus kuu o-i oaa oab oah oai oak oao oar oas oau ob- oba obb obh obi obk obo obr obs obu oha ohh ohi oho ohr ohs ohu oia oib oii oik oio oir ois oiu oka okb oki okk oko okr oks oku oo- ooa oob ooh ooi ook ooo oor oos or- ora orb orh ori ork oro orr ors oru os- osa osb osh osi osk oso osr oss osu ou- oua ouh oui ouk ouo our ous ra- raa rab rah rai rak rao rar ras rau rba rbb rbh rbi rbk rbo rbr rbs rbu rh- rha rhb rhh rhi rho rhr rhs rhu ria rib rih rii rik rio rir ris rkb rkk rko rks rku roa rob roh roi rok roo ror ros rou rra rrb rrh rri rrk rrr rrs rru rsa rsb rsh rsi rsk rso rsr rss rsu rua rub ruh rui ruk ruo rur rus ruu saa sab sah sai sak sao sar sas sau sba sbb sbh sbi sbk sbo sbr sbs sbu sh- sha shb shh shi shk sho shr shs shu sia sib sih sii sik sio sir sis siu sk- ska skb skh ski skk sko skr sks sku soa sob soh soi sok soo sor sos sou sr- sra srb srh sri srk sro srr srs ss- ssa ssb ssh ssi ssk sso ssr sss ssu sua sub suh sui suk suo sur sus suu ua- uaa uab uah uai uak uao uar uas uau uba ubb ubh ubi ubk ubo ubr ubs ubu uha uhb uhh uhi uho uhr uhs uhu uia uib uii uio uir uis uiu uka ukb uki ukk ukr uku uoa uob uok uoo uor uos ur- ura urb uri urk uro urr urs uru usa usb ush usi usk uso usr uss usu uua uur uus uuu