-hou -vac a-ha aaaa aaac aaah aaav aaca aacc aach aaco aacu aacv aaha aaoo aava acaa acac acca accc acch acco accu acha achh acho achu acoa acoh acou acu- acuo acvv ahac ahah ahau ahha ahoa ahua ahva aoah aoca auaa auca auch avao avcc avco avou avva avvo caaa caac caah cac- caca cacc cach caco caha cauc cauo cava cavo cavu ccaa ccac ccca cccc cccu cccv ccha ccoc ccuc ccvo chaa chac chah chao chau chav chca chch chha choc choh choo chou chov chua chvo coca coch coco cocu coha coho cooh coua cova covo cuau cuca cucc cvac cvca cvcc haco haha haho hau- hava hcca hccc hcch hhaa hhhh hoac hoca hoch hoha hoho hova huac huah huch hucu huhu hvac hvcc oaau oahu ocac occa occc ocha ohau ohcc ohho ohoh ooaa ooha ooho oooh oooo ouac oucc ouch ouu- ovo- ovoo uaca uaoc uaua ucav ucca ucha ucho ucua uhoh uhuh uocc uovo uuoc uuuu uv-a uv-c uvaa uvac uvvu vaca vach vaco vaho vava vhhh voca voho vohu vooc vouh vuca vuco vvvv