-vac a-ak a-ii a-iv a-ok aaaa aaab aaac aaai aaav aaba aabb aabc aabi aaca aacb aacc aaci aack aaco aacv aaib aaic aaii aaka aaoo aava abaa abab abac abai abak abb- abba abbb abbi abbo abca abcb abcc abci abia abib abic aboa abob abok aboo abov abva acaa acab acac acai acba acca accc acci acco aci- acia acic acoa acvv aiai aiba aibo aica aicc aiia aiib aiic aika aiki aiko aioc aioi aiva akaa akai akao akca akia akik akio akka akki akko akok aoba aoca aoki avab avao avcc avco avia avic avik avio aviv avva avvo ba-i baaa baak baba babb babi babo bac- baca bacc baci back baco baia baib baic baik baio bak- baka baki bako bava bavi bbbb bbci bcaa bcbc bcca bccc bcci bcia bcvo biak biao biba bibb bibi bibo bica bicc bici bick bico biko bio- bioc bioi bivi boab boac boai boak boba bobb bobi bobo boca bock boco boi- boii boka boki boko boob booc book bova bovi bovo c-bo caaa caab caac caba cabi cabo cac- caca cacc caci cack caco caia caib caic caik caio caka caoi cava cavi cavo cbac cbbc cbca cbcc cbia cbka cbko cbva cbvb ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccv ccic ccii cciv ccob ccoc ccvi ccvo ciaa ciak ciao ciba cibc cibi cibo cica cicc cici cico ciia ciii cika ciko ciob civa civc civo ckac ckbc ckbi ckck ckco ckcv ckoa ckob ckoc ckoi ckoo ckvo coai coak coba cobb cobi cobo coca cock coco coia cok- coka coko coob cook cova covo cvac cvca cvcc cvii iaaa iaac iaai iaba iaca iacc iaia iava ibac ibca ibia icaa icab icac icai icao icbc icca iccb iccc icci icco icoc iiac iica iiii iiio iioi iioo ikki ikko ikoo ioba iobi ioci ioii ioio ioko iooi iooo ivai ivak ivao ivbv ivic k-ci kaaa kaab kaai kaak kaba kabb kabc kabi kabo kacb kacc kaci kaco kacv kaia kaib kaic kaii kaik kaio kaka kakc kaki kakk kako kaoa kaoc kaoi kaok kava kavb kavi kavo kavv kbaa kbab kbac kbai kbak kbba kbbb kbbc kbbi kbbk kbbo kbca kbcb kbci kbck kbco kbia kbib kbic kbik kbio kbkb kbkk kbko kbkv kboa kbob kboc kboi kbok kboo kbov kbva kbvb kbvc kbvo kcaa kcab kcac kcai kcav kcba kcbc kcbi kcbk kcca kccb kccc kcci kcck kccv kcic kcii kciv kckc kckk kcko kckv kcob kcvi kcvk kcvo kcvv kiab kiac kiai kiba kibb kibc kibi kibo kica kicb kicc kick kiia kiic kiii kiik kika kikc kiki kikk kiko kioa kioc kioi kiok kioo kiva kivi kkaa kkac kkai kkba kkbb kkbi kkbo kkcb kkci kkck kkco kkia kkic kkik kkkk kkoa kkob kkoo kkov kkvv koab koac koai koak koba kobb kobc kobi kobk kobo koca kocb koci kock koii koiv koka kokb kokc koki kokk koko koob kooc kooi kook kooo koov kova kovc kovi kovk kovo kvab kvak kvbc kvcb kvcc kvci kvck kvco kvcv kvic kvik kviv kvoa kvob kvoc kvoi kvok kvoo kvov kvvv oaic obai obak obba obbo obia obkb oboi obok obvi ocab ocac ocak ocbc occa occc occi oiav oiba oici oick oiii oiko okak okia okic okka okko okok ooaa ooak ooba oobi ooia oooo ovi- ovo- ovoo vaca vack vaco vaia vaik vaio vaka vaki vava vbcc vcbi vcci vic- vica vici vick vico viii viik vika viki viko viva vivi vivo voca voia voic voio voka vooc vovk vvob vvvv