-ous a-ak a-ok aaaa aaab aaar aaas aaav aaba aabb aaka aaku aaoo aara aaro aars aaru aasa aass aasu aaus aava abaa abab abak abar abas abau abb- abba abbb abbo abbr abbs aboa abob abok aboo abor abos abou abov abra abro abrs abs- absa abss absu abua abuk abus abva akaa akao akar akas akka akko akku akok akos akr- akra aksa aksu akua aoba aoks aora aorb aors aoss aous arab arak arar aras arau arba arbs arka arko arks aroa arob aroo aror aros arr- arra arrk arro arrr arrs arru ars- arsa arsk arso arsu arua arub arva arvo asaa asab asak asao asar asas asau asba asbo asbu aska asko askr asks asob asok asor asos asou asra asro asrs asru assa assk asso assr asss assu asub asur asus asva asvs auaa auks aur- aura auro ausa ausu auvs avab avao avar avas avor avos avou avra avro avur avus avva avvo baaa baak baar baas baba babb babo babr babs babu bak- baka bako bakr baks baku baos bar- bara barb bark baro barr bars baru basa bask baso bass basu bau- bauk baur bava bavu bbas bbau bbbb bbbs boab boak boar boas boba bobb bobo bobs bobu boka boko boks boku boob book boor boos bor- bora bork boro borr bors boru bosa bosk boso boss bosu boua bouk bour bous bova bovo brab brak brao bras brau brav brka brkb broa brob brok broo bror bros brou brrr brrs brsb brsr brus bruv bsaa bsas bsos bsra buar buba bubb bubo bubs bubu buka bukk buko buku bur- bura burb burk buro burr burs buru busa busk buss busu buus k-os kaaa kaab kaak kaar kaas kaba kabb kabo kabr kabu kaka kakk kako kaks kaku kaoa kaok kaor kaos kara karb kark karo karr kars karu karv kas- kasa kasb kask kaso kasr kass kasu kau- kaub kauk kauo kaur kaus kava kavb kavo kavs kavu kavv kbaa kbab kbak kbar kbas kbba kbbb kbbk kbbo kbbr kbbs kbbu kbkb kbkk kbko kbkr kbkv kboa kbob kbok kboo kbos kbov kbra kbrb kbrk kbro kbru kbrv kbsa kbsb kbsk kbso kbsr kbss kbsu kbsv kbua kbub kbuk kbur kbus kbuu kbva kbvb kbvo kbvr kbvu kkaa kkar kkba kkbb kkbo kkbr kkbs kkkk kkoa kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrs kkrv kksa kksr kkss kksu kkua kkus kkuu kkvr kkvu kkvv koab koak koar koas koba kobb kobk kobo kobr kobs kobu koka kokb kokk koko kokr koks koku koob kook kooo koor koos koou koov kora korb kork koro korr kors koru korv kos- kosa kosb koso kosr koss kosu koua koub kour kous kouu kova kovk kovo kovr krab krak krar kras krav krba krbb krbk krbr krka krkk krko krkr krks krku krkv kroa krob krok kroo kror kros krov krrb krrk krro krrr krrs krsa krsk krsr krss krsu krsv krua kruk krur krva krvb krvk krvo krvr krvs krvv ksab ksak ksar ksas ksau ksav ksba ksbr ksbs ksbv kska kskb kskk ksko kskr ksks ksku ksob ksok ksoo ksor ksos ksou ksra ksrb ksro ksrr ksrs ksrv kssa ksso kssr ksss kssu ksua ksub ksuu ksva ksvr ksvu kuar kuau kuba kubb kubo kubr kubs kubu kuka kukk kuks kuku kuoa kuok kuoo kuos kura kurb kurk kuro kurr kurs kuru kurv kusa kusb kuso kusu kuub kuuk kuur kuuu kuva kuvo kuvr kvab kvak kvar kvas kvbr kvoa kvob kvok kvoo kvor kvou kvov kvra kvro kvrr kvrv kvsa kvso kvsr kvss kvsv kvuu kvvr kvvs kvvv oaau oaks oara oars oass oavs obak obas obba obbo obkb obok obor obos obra obro obsr obss obus obvs okak okas okka okko okok okor okra okro oksa okso okur okus ooaa ooak ooba ooku oooo ooos oora oosa oous orab orak orao orar oras orav orba orbb orbo orbs orbu orka orko oro- orok oror oros orra orro orrs orsa orsk orso orsu orub orus orvr orvs osak osar osas osba osku osoo osor osos osov osro ossa ossb osso ossu oubs our- oura ouro ours ousa ouu- ovar ovo- ovoo ovra raab raak raas raba rabb rabk rabo rabs rabu raka rakk raku raob raok raos rara rarb rark raro rars rasa rask raso rass rasu raua raub rauk raus rava rbbb rbbr rbbs rbss rkos rkss rksv roab roak roar roas rob- roba robb robo robs robu roka rokk roko rokr roks roku roob rook roor roos rora rork roro roru rosa roso ross roua roub rouk rous rova rovo rovs rras rrrr rsaa rsos rssa rsua ruas ruba rubb rubs rubu ruka rukk ruku ruok rura ruro rurs ruru rusa rusk ruso russ rusu ruvu s-os saab saak saar saas saba sabb sabo sabr sabs sabu saka sakb sakk sako saks saku saor saos saou sara sark saro sarr sars saru sarv sasa sask saso sass saua sauk saur saus sava savo savs savu sbaa sbar sbas sbbs sbor sbrk sbsa sbus skab skar skor skov skra skss skua skur soak soar soas soba sobo sobr sobs sobu soka sokk soko soku sook soor soos sora sorb soro sorr sors soru sosa soso soss sosv souk sour sous sova sovo sovs sovu sras sros srub ssaa ssab ssao ssas ssau ssbr ssra ssrs sssa sssb ssss suar suas sub- suba subb subo subs suka suks suku suor suos sur- sura suro surr surs suru surv sus- susa susk suso suss susu suus suva suvs svar svor uars uaru uasa uaua uavs ubar ubba ubbo ubos ubra ukba ukko ukok ukra uksa ukur uor- uovo urao uras urau urba urbs urka uro- uroa urok uroo urra ursa urso urss ursu uruk urur urus urva us-a us-k usaa usak usar usas usba usbr usbs uska usos usov usra ussa ussb ussr usss ussu usua usus uuuu uv-a uv-b uvaa uvas uvok uvvu vaar vaas vabs vaka vara vark varr vars varu vas- vasa vaso vass vasu vaus