a-a a-b aaa aab aak aam aao aar aau ab- aba abb abk abm abo abr abu aka akb akk akm ako akr aku ama amb amk amm amo amr amu aoa aob aok aom aoo aor aou ar- ara arb ark arm aro arr aru au- aua aub auk aum auo aur b-u baa bab bak bam bao bar bau bba bbb bbk bbm bbo bbr bbu bka bkb bkk bkm bko bkr bma bmb bmk bmm bmo bmr bmu boa bob bok bom boo bor bou bra brb brk brm bro brr bru bua bub buk bum buo bur buu ka- kaa kab kak kam kao kar kau kba kbb kbk kbm kbo kbr kbu kkb kkk kkm kkr kku kma kmb kmk kmm kmo kmu koa kob kok kom koo kor kou kra krk kro krr kru kub kuk kum kur kuu m-o m-r maa mab mak mam mao mar mau mba mbb mbk mbm mbo mbr mbu mka mkb mkk mkm mko mkr mku mma mmb mmk mmm mmo mmr mmu moa mob mok mom moo mor mou mra mrb mrk mrm mro mrr mru mua mub muk mum mur muu oaa oab oak oam oao oar oau ob- oba obb obk obm obo obr obu oka okb okk oko okr oku om- oma omb omm omo omr omu oo- ooa oob ook oom ooo oor or- ora orb ork orm oro orr oru ou- oua ouk oum ouo our ra- raa rab rak ram rao rar rau rba rbb rbk rbm rbo rbr rbu rkb rkk rkm rko rku rma rmb rmm rmo rmr roa rob rok rom roo ror rou rra rrb rrk rrm rrr rru rua rub ruk rum ruo rur ruu ua- uaa uab uak uam uao uar uau uba ubb ubk ubo ubr ubu uka ukb ukk ukr uku um- uma umb umm umo umr umu uoa uob uok uom uoo uor ur- ura urb urk urm uro urr uru uua uum uur uuu

a-ak a-ok aaaa aaab aaam aaar aaba aabb aabm aaka aaku aama aamb aamo aamr aaoo aara aarm aaro aaru abaa abab abak abam abar abau abb- abba abbb abbo abbr abma abmb aboa abob abok aboo abor abou abra abro abua abuk abum akaa akam akao akar akka akko akku akok akom akr- akra akua amaa amam amar amb- amba ambo ambr ambu amka amm- amma ammo ammu amob amok amoo amor amou amra amro amua amum amur aoba aoma aora aorb arab arak aram arar arau arba arka arko arma armm armo armu aroa arob arom aroo aror arr- arra arrk arro arrr arru arua arub arum auaa auma aur- aura auro baaa baak baam baar baba babb babm babo babr babu bak- baka bako bakr baku bama bamb bamm bamu bar- bara barb bark barm baro barr baru bau- bauk baum baur bbau bbbb bmaa boab boak boar boba bobb bobo bobu boka boko boku boma bomb bomu boob book boom boor bor- bora bork borm boro borr boru boua bouk boum bour brab brak bram brao brau brka brkb broa brob brok brom broo bror brou brrm brrr brum buar buba bubb bubo bubu buka bukk buko buku bum- buma bumb bur- bura burb burk burm buro burr buru kaaa kaab kaak kaam kaar kaba kabb kabo kabr kabu kaka kakk kakm kako kaku kam- kama kamb kamm kamo kamr kamu kaoa kaok kaor kara karb kark karm karo karr karu kau- kaub kauk kaum kauo kaur kbaa kbab kbak kbam kbar kbba kbbb kbbk kbbm kbbo kbbr kbbu kbkb kbkk kbko kbkr kbmb kbmo kbmr kboa kbob kbok kboo kbra kbrb kbrk kbro kbru kbua kbub kbuk kbur kbuu kkaa kkam kkar kkba kkbb kkbo kkbr kkkk kkma kkmk kkmo kkmr kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkua kkuu kmak kmam kmbr kmkk kmko kmmk kmmm kmmo kmmr kmoa kmob kmok kmom kmor kmou kmrb kmro kmrr kmur koab koak koar koba kobb kobk kobo kobr kobu koka kokb kokk koko kokr koku koma komb komo komr koob kook kooo koor koou kora korb kork koro korr koru koua koub koum kour kouu krab krak kram krar krba krbb krbk krbm krbr krka krkk krko krkr krku krma krmb krmo krmr kroa krob krok krom kroo kror krrb krrk krrm krro krrr krua kruk krum krur kuam kuar kuau kuba kubb kubo kubr kubu kuka kukk kuku kuma kumm kumo kumr kumu kuoa kuok kuoo kura kurb kurk kurm kuro kurr kuru kuub kuuk kuur kuuu maaa maak maam maar maba mabo mabu maka mako maku mama mamo mamu maor mar- mara mark marm maro marr maru maua mauk maum maur mbam mbba mbou mkak mmaa mmab mmar mmmm mmor moaa moab moam moar moba mobb mobo moka moko moma momo momu mooa moob mook moor mora morb mork moro moru mouk mour mrbb mrbm mrkr mruk muak muar mubo muka muko muma mumm mumo mumu mura murk muro murr muru oaau oama oara obak obba obbo obkb obok obor obra obro okak okam okka okko okmo okok okom okor okra okro okur omak omam omao omar ombo ombu omma omo- omoa omoo omor omra omro omuo ooaa ooak ooba ooku ooma oooo oora orab orak oram orao orar orba orbb orbo orbu orka orko orma ormo oro- orok orom oror orra orro orub orum ouma our- oura ouro ouu- raab raak raam raba rabb rabk rabo rabu raka rakk raku rama ramb ramm ramo ramu raob raok raom rara rarb rark raro raua raub rauk raum rbbb rbbr rbmk roab roak roam roar rob- roba robb robo robu roka rokk roko rokr roku roma romb romk romm romo roob rook room roor rora rork roro roru roua roub rouk roum rrkm rrrr rrum ruba rubb rubu ruka rukk ruku ruma rumb rumm rumo ruok rura ruro ruru uaru uaua ubar ubba ubbo ubra ukba ukko ukma ukok ukra ukum ukur umaa umak umar umb- umba umbo umka umma ummo