-vac a-ii a-iv aaaa aaab aaac aaai aaav aaba aabb aabc aabi aaca aacb aacc aaci aaco aacv aaib aaic aaii aaoo aava abaa abab abac abai abaj abb- abba abbb abbi abbo abca abcb abcc abci abia abib abic aboa abob 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 aija aioc aioi aiva ajab ajac ajao ajba ajio ajob ajoo aoba aoca avab avaj avao avcc avco avia avic avio aviv avva avvo ba-i baaa baba babb babi babo bac- baca bacc baci baco baia baib baic baio baja baji bava bavi bbbb bbci bcaa bcbc bcca bccc bcci bcia bcvo biaj biao biba bibb bibi bibo bica bicc bici bico bija biji bio- bioc bioi bivi bjcc bjoa boab boac boai boba bobb bobi bobo boca boco boi- boii boji bojo boob booc bova bovi bovo c-bo caaa caab caac caba cabi cabo cac- caca cacc caci caco caia caib caic caio caja caji caoi cava cavi cavo cbac cbbc cbca cbcc cbia cbva cbvb ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccv ccic ccii cciv ccjo ccob ccoc ccvi ccvo ciaa ciao ciba cibc cibi cibo cica cicc cici cico ciia ciii ciob civa civc civo cjbc cjca cjcb cjcj cjic cjob cjoi cjvb coai coba cobb cobi cobo coca coco coia cojo coob 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 ijji ioba iobi ioci ioii ioio iooi iooo ivai ivaj ivao ivbv ivic jaba jabi jabo jaca jacc jaci jaco jaja jaji java jbaa jbob jcbc jccc jcci jcvi jiao jibb jibi jiji jiva jjcc joab joao joba jobo joca joco joia joio joji jojo jova jovi jovo oaic obai obba obbo obia obja oboi obvi ocab ocac ocbc occa occc occi oiaj oiav oiba oici oiii ojai ooaa ooba oobi ooia ooij ooji oooo ovi- ovo- ovoo vaca vaco vaia vaio vaja vava vbcc vcbi vcci vic- vica vici vico viii viji viva vivi vivo vjaa voca voia voic voio vooc vvob vvvv