-vac a-ha aaaa aaac aaae aaah aaav aaca aacc aace aach aaco aacv aaea aaec aaev aaha aaoe aaoo aava acaa acac acae acca accc acce acch acco ace- acea acec aceh acev acha ache achh acho acoa acoe acoh acvv aeac aeva ahac ahah ahha ahoa ahoe ahva aoah aoca aoce avao avcc avce avco avea avec aveh aveo avva avvo caaa caac caah cac- caca cacc cace cach caco caec caha cahe cava cave cavo ccaa ccac ccca cccc cccv ccee ccha cche ccoc ccvo ceac cec- ceca cece ceco ceec ceva cevo chaa chac chae chah chao chav chca chce chch chea chec chee cheh chev chha choc choh choo chov chvo coca coce coch coco coha coho cooh cova cove covo cvac cvca cvcc eaca eacc each eaec eave ecaa ecac ecao ecca eccc ecce ecco echa eche echo eco- eeca eeea eeee eeoc eeva ehaa ehav ehcc ehea eheh evac evae evah evea evoe evoo hace haco haec haha haho hava have hcca hccc hcch heah heca hech hehe heho heve hhaa hhhh hoac hoca hoce hoch hoha hohe hoho hooe hova hove hvac hvcc o-eo oahe ocac occa occc oce ocee ocha oche oec- oeca oecc oeec ohcc ohee ohho ohoh ooaa ooha ooho oooh oooo ovee ovo- ovoo vaca vace vach vaco vahe vaho vava vche vecc vech veho veoh veve vevo vhhh voca voce voho vooc vvvv