-vac a-ak a-ii a-iv a-ok aaaa aaab aaac aaai aaar aaav aaba aabb aabc aabi aaca aacb aacc aaci aack aaco aacr aacv aaib aaic aaii aaka aaoo aara aarc aari aaro aava abaa abab abac abai abak abar abb- abba abbb abbi abbo abbr abca abcb abcc abci abcr abia abib abic abir aboa abob abok aboo abor abov abra abrc abri abro abva acaa acab acac acai acar acba acca accc acci acco aci- acia acic acir acoa acor acr- acra acrc acri acro acrr acrv acvv aiai aiba aibo aica aicc aicr aiia aiib aiic aiir aika aiki aiko aioc aioi aira airi airo aiva akaa akai akao akar akca akia akik akio akir akka akki akko akok akr- akra aoba aoca aoki aora aorb arab arac arai arak arar arba arbi arc- arca arci arco aria arib arii arik ario arka arki arko aroa arob aroi aroo aror arr- arra arrc arri arrk arro arrr arva arvi arvo avab avao avar avcc avco avia avic avik avio aviv avor avra avri avro avva avvo ba-i baaa baak baar baba babb babi babo babr bac- baca bacc baci back baco baia baib baic baik baio bair bak- baka baki bako bakr bar- bara barb barc bari bark baro barr bava bavi bbbb bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcor bcra bcvo biak biao biar biba bibb bibi bibo bica bicc bici bick bico biko bio- bioc bioi bira birb biri birk biro birr bivi boab boac boai boak boar boba bobb bobi bobo boca bock boco boi- boii boka boki boko boob booc book boor bor- bora bori bork boro borr bova bovi bovo brab brac brai brak brao brav brca brcb bria bric brik brio brka brkb broa brob broc brok broo bror brrr brvi c-bo caaa caab caac caba cabi cabo cac- caca cacc caci cack caco cacr caia caib caic caik caio cair caka caoi caor cara carb carc cari cark caro carr cava cavi cavo cbac cbar cbbc cbca cbcc cbcr cbia cbir cbka cbko cbkr cbva cbvb cbvr ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccv ccic ccii ccir cciv ccob ccoc ccra ccrc ccri ccvi ccvo ciaa ciak ciao ciar ciba cibc cibi cibo cica cicc cici cico cicr ciia ciii cika ciko cikr ciob cior cira cirb circ ciri cirk ciro cirr civa civc civo ckac ckbc ckbi ckck ckco ckcv ckoa ckob ckoc ckoi ckoo ckor ckrc ckvo coai coak coba cobb cobi cobo coca cock coco coia coir cok- coka coko coob cook cor- cora corb corc cori cork coro corr cova covo crab crac crai crar crbc crca crcc crcr cria crib cric crik crkc crob croc crok croo cror cvac cvar cvca cvcc cvii cvra cvrr iaaa iaac iaai iaba iaca iacc iacr iaia iara iarc iava ibac ibar ibca ibia ibra ibrc ibri ibro icaa icab icac icai icao icar icbc icca iccb iccc icci icco iccr icoc icor icra icrc icrr iiac iica iiii iiio iioi iioo iira iirc ikar ikki ikko ikoo ikra ikri ioba iobi ioci ioii ioio ioko iooi iooo iora iori irac irai irak irao irar irca ircc iri- iria iric irio irka irki irob iroc irov irra irrc irri ivai ivak ivao ivar ivbv ivic ivor k-ci kaaa kaab kaai kaak kaar kaba kabb kabc kabi kabo kabr kacb kacc kaci kaco kacv kaia kaib kaic kaii kaik kaio kair kaka kakc kaki kakk kako kaoa kaoc kaoi kaok kaor kara karb kari kark karo karr karv kava kavb kavi kavo kavv kbaa kbab kbac kbai kbak kbar kbba kbbb kbbc kbbi kbbk kbbo kbbr kbca kbcb kbci kbck kbco kbcr kbia kbib kbic kbik kbio kbkb kbkk kbko kbkr kbkv kboa kbob kboc kboi kbok kboo kbov kbra kbrb kbrc kbri kbrk kbro kbrv kbva kbvb kbvc kbvo kbvr kcaa kcab kcac kcai kcar kcav kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kccv kcic kcii kcir kciv kckc kckk kcko kckr kckv kcob kcor kcrc kcri kcro kcrr kcrv kcvi kcvk kcvo kcvr kcvv kiab kiac kiai kiar kiba kibb kibc kibi kibo kibr kica kicb kicc kick kicr kiia kiic kiii kiik kika kikc kiki kikk kiko kikr kioa kioc kioi kiok kioo kira kirb kirc kiri kirk kiro kirr kirv kiva kivi kkaa kkac kkai kkar kkba kkbb kkbi kkbo kkbr kkcb kkci kkck kkco kkcr kkia kkic kkik kkkk kkoa kkob kkoo kkor kkov kkrb kkrc kkrk kkro kkrr kkrv kkvr kkvv koab koac koai koak koar koba kobb kobc kobi kobk kobo kobr koca kocb koci kock koii koir koiv koka kokb kokc koki kokk koko kokr koob kooc kooi kook kooo koor koov kora korb korc kori kork koro korr korv kova kovc kovi kovk kovo kovr krab krac krai krak krar krav krba krbb krbi krbk krbr krca krcb krcc krci krco kria krib krik krio kriv krka krkc krki krkk krko krkr krkv kroa krob kroc kroi krok kroo kror krov krrb krrc krri krrk krro krrr krva krvb krvc krvi krvk krvo krvr krvv kvab kvak kvar kvbc kvbr kvcb kvcc kvci kvck kvco kvcr kvcv kvic kvik kvir kviv kvoa kvob kvoc kvoi kvok kvoo kvor kvov kvra kvrc kvri kvro kvrr kvrv kvvr kvvv oaic oara obai obak obba obbo obia obkb oboi obok obor obra obri obro obvi ocab ocac ocak ocbc occa occc occi ocra ocro ocrr oiav oiba oici oick oiii oiko oira okak okia okic okir okka okko okok okor okra okro ooaa ooak ooba oobi oocr ooia oooo oora orab orac orai orak orao orar orav orba orbb orbi orbo orca orci orco ori- oria oric orio orka orko oro- orok oror orra orri orro orvr ovar ovi- ovo- ovoo ovra raab raak raba rabb rabi rabk rabo rac- raca racc raci rack raco racv raia raic raii raik rair raka raki rakk raob raoc raok rara rarb rari rark raro rava