cccc cccv cchy ccnc ccny ccoc ccvo chch chnc chno choc choh chon choo chov choy chvo chy- chyc chyn cnco cnoh coch coco cohn coho con- conc conn cono conv cony cooh coon covo covy coyn coyo cvcc cyc- cycc cyn- cyno cyon cyy- cyyc cyyn hccc hcch hhhh hnny hoch hocn hohn hoho hono hony hoon hvcc hy-v hyo- hyon nccc nccn nchc ncnc ncoc nhcc nhnn nhon nnnn noch noco nohn noho non- nonn nono noo- noon nooo noov nov- novo novy noyo nvcc nycc nyco nycy nyny nyon occc occn ocon ohcc ohho ohno ohoh ohyo onc- onco onno onon onoy ooho oooh oooo ovo- ovon ovoo oych oyon vcon vhhh voho vonn vooc vvvv vych vyny yccc ycch yhon yhvh ynch ynoh ynon yoch yohn yoho yono yoon yoyn yoyo yvon yyyy