a-a a-b a-i aaa aab aai aak aao aar aau ab- aba abb abi abk abo abr abu ai- aia aib aii aik aio air aiu aka akb aki akk ako akr aku aoa aob aoi aok aoo aor aou ar- ara arb ari ark aro arr aru au- aua aub aui auk auo aur b-u baa bab bai bak bao bar bau bba bbb bbi bbk bbo bbr bbu bi- bia bib bii bik bio bir biu bka bkb bkk bko bkr boa bob boi bok boo bor bou bra brb bri brk bro brr bru bua bub bui buk buo bur buu ia- iaa iab iai iao iar iau iba ibb ibi ibk ibo ibr ibu iia iib iii iio iir iiu ika ikb iki ikk iko ikr iku io- ioa iob ioi ioo ior iou ir- ira irb iri irk iro irr iru iu- iua iub iui iur ka- kaa kab kai kak kao kar kau kba kbb kbi kbk kbo kbr kbu kia kib kii kik kio kir kiu kkb kki kkk kkr kku koa kob koi kok koo kor kou kra kri krk kro krr kru kub kui kuk kur kuu o-i oaa oab oai oak oao oar oau ob- oba obb obi obk obo obr obu oia oib oii oik oio oir oiu oka okb oki okk oko okr oku oo- ooa oob ooi ook ooo oor or- ora orb ori ork oro orr oru ou- oua oui ouk ouo our ra- raa rab rai rak rao rar rau rba rbb rbi rbk rbo rbr rbu ria rib rii rik rio rir rkb rkk rko rku roa rob roi rok roo ror rou rra rrb rri rrk rrr rru rua rub rui ruk ruo rur ruu ua- uaa uab uai uak uao uar uau uba ubb ubi ubk ubo ubr ubu uia uib uii uio uir uiu uka ukb uki ukk ukr uku uoa uob uok uoo uor ur- ura urb uri urk uro urr uru uua uur uuu

a-ak a-ii a-ok aaaa aaab aaai aaar aaba aabb aabi aaib aaii aaka aaku aaoo aara aari aaro aaru abaa abab abai abak abar abau abb- abba abbb abbi abbo abbr abia abib abir abiu aboa abob abok aboo abor abou abra abri abro abua abuk aiai aiba aibo aiia aiib aiir aika aiki aiko aioi aira airi airo aiui akaa akai akao akar akia akik akio akir akiu akka akki akko akku akok akr- akra akua aoba aoki aora aorb arab arai arak arar arau arba arbi aria arib arii arik ario arka arki arko aroa arob aroi aroo aror arr- arra arri arrk arro arrr arru arua arub arui auaa auki aur- aura auri auro ba-i baaa baak baar baba babb babi babo babr babu baia baib baik baio bair bak- baka baki bako bakr baku bar- bara barb bari bark baro barr baru bau- bauk baur bbau bbbb biak biao biar biba bibb bibi bibo biko biku bio- bioi biou bira birb biri birk biro birr biru boab boai boak boar boba bobb bobi bobo bobu boi- boii boiu boka boki boko boku boob book boor bor- bora bori bork boro borr boru boua bouk bour brab brai brak brao brau bria brik brio brka brkb broa brob brok broo bror brou brrr buar buba bubb bubi bubo bubu buik buir buiu buka buki bukk buko buku bur- bura burb buri burk buro burr buru iaaa iaai iaba iaia iara iaru ibar ibia ibra ibri ibro iiii iiio iioi iioo iira ikar ikki ikko ikoo ikra ikri ikuo ioba iobi ioii ioio ioko iooi iooo iora iori irai irak irao irar iri- iria irio irka irki irob irra irri iuiu iuka iura kaaa kaab kaai kaak kaar kaba kabb kabi kabo kabr kabu kaia kaib kaii kaik kaio kair kaiu kaka kaki kakk kako kaku kaoa kaoi kaok kaor kara karb kari kark karo karr karu kau- kaub kaui kauk kauo kaur kbaa kbab kbai kbak kbar kbba kbbb kbbi kbbk kbbo kbbr kbbu kbia kbib kbik kbio kbiu kbkb kbkk kbko kbkr kboa kbob kboi kbok kboo kbra kbrb kbri kbrk kbro kbru kbua kbub kbuk kbur kbuu kiab kiai kiar kiba kibb kibi kibo kibr kibu kiia kiii kiik kiiu kika kiki kikk kiko kikr kiku kioa kioi kiok kioo kiou kira kirb kiri kirk kiro kirr kiru kiur kiuu kkaa kkai kkar kkba kkbb kkbi kkbo kkbr kkia kkik kkkk kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkua kkuu koab koai koak koar koba kobb kobi kobk kobo kobr kobu koii koir koka kokb koki kokk koko kokr koku koob kooi kook kooo koor koou kora korb kori kork koro korr koru koua koub koui kour kouu krab krai krak krar krba krbb krbi krbk krbr kria krib krik krio krka krki krkk krko krkr krku kroa krob kroi krok kroo kror krrb krri krrk krro krrr krua krui kruk krur kuai kuar kuau kuba kubb kubo kubr kubu kuik kuka kuki kukk kuku kuoa kuok kuoo kura kurb kuri kurk kuro kurr kuru kuub kuuk kuur kuuu oaau oara obai obak obba obbo obia obkb oboi obok obor obra obri obro oiba oiii oiko oira okak okia okir okka okko okok okor okra okro okur ooaa ooak ooba oobi ooia ooku oooo oora orab orai orak orao orar orba orbb orbi orbo orbu ori- oria orio orka orko oro- orok oror orra orri orro orub ouii ouir our- oura ouro ouu- raab raak raba rabb rabi rabk rabo rabu raia raii raik rair raiu raka raki rakk raku raob raok rara rarb rari rark raro raua raub rauk rbbb rbbr riaa riab riai riak riau rib- riba ribo ribu riia rika riki rikk riku riou riri roab roak roar rob- roba robb robi robo robu roia roik roio roir roiu roka roki rokk roko rokr roku roob rooi rook roor rora rori rork roro roru roua roub rouk rrrr ruba rubb rubi rubu ruka ruki rukk ruku