a-ak a-ii a-ok aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aaka aaoo aara aari aaro aars aasa aasi aass abaa abab abai abak abar abas abb- abba abbb abbi abbo abbr abbs abia abib abir abis aboa abob abok aboo abor abos abra abri abro abrs abs- absa absi abss aiai aias aiba aibo aiia aiib aiir aika aiki aiko aiks aioi aira airi airo airs aisa aisb aisi aisk aiso aisr akaa akai akao akar akas akia akik akio akir akis akka akki akko akok akos akr- akra aksa aksi aoba aoki aoks aora aorb aors aoss arab arai arak arar aras arba arbi arbs aria arib arii arik ario aris arka arki arko arks aroa arob aroi aroo aror aros arr- arra arri arrk arro arrr arrs ars- arsa arsi arsk arso asaa asab asai asak asao asar asas asba asbo asia asii asik asio asir asis aska aski asko askr asks asob asoi asok asor asos asra asro asrs assa assi assk asso assr asss ba-i baaa baak baar baas baba babb babi babo babr babs baia baib baik baio bair bais bak- baka baki bako bakr baks baos bar- bara barb bari bark baro barr bars basa basi bask baso bass bbas bbbb bbbs biak biao biar bias biba bibb bibi bibo bibs biis biko bio- bioi bios bira birb biri birk biro birr birs bis- bisa bisk biso biss boab boai boak boar boas boba bobb bobi bobo bobs boi- boii bois boka boki boko boks boob book boor boos bor- bora bori bork boro borr bors bosa bosi bosk boso boss brab brai brak brao bras bria brik brio bris brka brkb broa brob brok broo bror bros brrr brrs brsb brsr bsaa bsas bsos bsra iaaa iaai iaas iaba iaia iais iara iars iasa iasi iask iaso iasr ibar ibas ibia ibis ibos ibra ibri ibro ibsa ibss iias iiii iiio iiis iioi iioo iios iira iirs iisi iisr ikar ikki ikko ikoo ikra ikri ioba iobi ioii ioio ioko iooi iooo ioos iora iori iors ioso irai irak irao irar iras iri- iria irio iris irka irki irks irob irra irri irrs irsa is-a isai isak isao isar isas isba isia isis iska isko iso- isok isor isos isra isri issa issi isso issr isss k-os kaaa kaab kaai kaak kaar kaas kaba kabb kabi kabo kabr kaia kaib kaii kaik kaio kair kais kaka kaki kakk kako kaks kaoa kaoi kaok kaor kaos kara karb kari kark karo karr kars kas- kasa kasb kasi kask kaso kasr kass kbaa kbab kbai kbak kbar kbas kbba kbbb kbbi kbbk kbbo kbbr kbbs kbia kbib kbik kbio kbis kbkb kbkk kbko kbkr kboa kbob kboi kbok kboo kbos kbra kbrb kbri kbrk kbro kbsa kbsb kbsi kbsk kbso kbsr kbss kiab kiai kiar kias kiba kibb kibi kibo kibr kibs kiia kiii kiik kiis kika kiki kikk kiko kikr kioa kioi kiok kioo kira kirb kiri kirk kiro kirr kirs kisa kisi kisk kiso kisr kiss kkaa kkai kkar kkba kkbb kkbi kkbo kkbr kkbs kkia kkik kkkk kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkrs kksa kksi kksr kkss koab koai koak koar koas koba kobb kobi kobk kobo kobr kobs koii koir koka kokb koki kokk koko kokr koks koob kooi kook kooo koor koos kora korb kori kork koro korr kors kos- kosa kosb kosi koso kosr koss krab krai krak krar kras krba krbb krbi krbk krbr kria krib krik krio kris krka krki krkk krko krkr krks kroa krob kroi krok kroo kror kros krrb krri krrk krro krrr krrs krsa krsk krsr krss ksab ksak ksar ksas ksba ksbi ksbr ksbs ksib ksii ksik ksir ksis kska kskb kskk ksko kskr ksks ksob ksoi ksok ksoo ksor ksos ksra ksrb ksro ksrr ksrs kssa kssi ksso kssr ksss oais oaks oara oars oasi oass obai obak obas obba obbo obia obis obkb oboi obok obor obos obra obri obro obsr obss oiba oiii oiko oiks oios oira okak okas okia okir okka okko okok okor okra okro oksa oksi okso ooaa ooak ooba oobi ooia oooo ooos oora oosa oosi orab orai orak orao orar oras orba orbb orbi orbo orbs ori- oria orio oris orka orko oro- orok oror oros orra orri orro orrs orsa orsi orsk orso osai osak osar osas osba osia osii osik osis oski osoi osoo osor osos osro ossa ossb ossi osso raab raak raas raba rabb rabi rabk rabo rabs raia raii raik rair rais raka raki rakk raob raok raos rara rarb rari rark raro rars rasa rasi rask raso rass rbbb rbbr rbbs rbis rbss riaa riab riai riak rias rib- riba ribo ribs riia riis rika riki rikk rios riri rirs risa risi risk riso riss rkos rkss roab roak roar roas rob- roba robb robi robo robs roia roik roio roir rois roka roki rokk roko rokr roks roob rooi rook roor roos rora rori rork roro rosa rosi roso ross rras rrrr rsaa rsai rsbi rsis rsos rssa s-ib s-ii s-os saab saak saar saas saba sabb sabi sabo sabr sabs saia saik sair sais saka sakb saki sakk sako saks saoi saor saos sara sari sark saro sarr sars sasa sasi sask saso sass sbaa sbai sbar sbas sbbs sbia sbor sbrk sbsa sbsi siaa siab siai siak sias siba sibi sibo sibs siik sika siki siko sikr siks sior sios sira siri sirk siro sirr sirs sisa sisi sisk siss skab skai skar skia skik skio skir skis skor skra skss soak soar soas soba sobo sobr sobs soia soik soir sois soka soki sokk soko sook soor soos sora sorb sori soro sorr sors sosa sosi soso soss sras srib sris sros ssaa ssab ssao ssas ssbr ssis ssra ssri ssrs sssa sssb sssi ssss