-vac a-be a-ii a-iv aaaa aaab aaac aaae aaai aaav aaba aabb aabc aabi aaca aacb aacc aace aaci aaco aacv aaea aaec aaev aaib aaic aaii aaoe aaoo aava abaa abab abac abae abai abb- abba abbb abbe abbi abbo abca abcb abcc abci abec abee abia abib abic abie aboa abob aboo abov abva acaa acab acac acae acai acba acca accc acce acci acco ace- acea acec acev aci- acia acic acie acoa acoe acvv aeac aebi aecb aeci aeio aeva aiai aiba aibo aica aicc aice aiea aiee aiia aiib aiic aioc aioi aiva aoba aoca aoce avab avao avcc avce avco avea avec aveo avia avic avie avio aviv avva avvo ba-i baaa baba babb babe babi babo bac- baca bacc bace baci baco baia baib baic baie baio bava bave bavi bbbb bbci bbeb bcaa bcbc bcca bccc bcci bcec bcia bcie bcvo beav beba bebb bebe bebi bebo beca beci beeb beia beic beo- bevo biao biba bibb bibe bibi bibo bica bicc bice bici bico bieb bio- bioc bioi bive bivi boab boac boai boba bobb bobe bobi bobo boca boce boco boea boec boee boeo boi- boie boii boob booc booe bova bove bovi bovo c-bo caaa caab caac caba cabe cabi cabo cac- caca cacc cace caci caco caec caei caia caib caic caio caoi cava cave cavi cavo cbac cbbc cbca cbcc cbce cbea cbec cbee cbia cbva cbvb cbve ccaa ccab ccac ccai ccba ccbc ccca cccb cccc ccci cccv ccee ccic ccii cciv ccob ccoc ccvi ccvo ceac ceba cec- ceca cece ceci ceco ceeb ceec ceva cevo ciaa ciao ciba cibc cibe cibi cibo cica cicc cici cico ciee ciia ciii ciob civa civc cive civo coai coba cobb cobe cobi cobo coca coce coco coia coob cova cove covo cvac cvca cvcc cvii eaba eaca eacc eaec eave ebac ebba ebbc ebbo ebcc ebic eboe eboo ecaa ecac ecai ecao ecbc ecbe ecca eccb eccc ecce ecci ecco ecib eco- eeca eeea eeee eeoc eeva eiao eica eico eiec eiei evac evae evea evia evie evoe evoo i-be iaaa iaac iaai iaba iaca iacc iaea iaec iaia iava ibac ibca ibea ibec ibia ibie icaa icab icac icai icao icbc icca iccb iccc icci icco icea icec icee icoc ieac iecc ieie ieio ieva iiac iica iiie iiii iiio iioi iioo ioba iobi ioci ioee ioii ioio iooi iooo ivai ivao ivbv ivea ivec ivic ivie o-eo oaic obai obba obbo obea obec obia obie oboe oboi obvi ocab ocac ocbc occa occc occi oce ocee oec- oeca oecc oeec oiav oiba oici oiii ooaa ooba oobe oobi ooia oooo ovee ovi- ovie ovo- ovoo vaca vace vaco vaia vaie vaio vava vbcc vcbi vcci veba vecc veci veia veie veii veve vevi vevo viae vibe vic- vica vice vici vico viii viva vive vivi vivo voca voce voei voia voic voie voio vooc vvob vvvv