-ene -one -yne cccc ccee cche cchy ccnc ccne ccny ccoc cec- cece ceco ceec cen- cene ceno ceny chce chch chec chee cheh chen chey chnc chno choc choh chon choo choy chy- chyc chyn cnco cnoh coce coch coco coen cohn coho con- conc cone conn cono cony cooh coon coyn coyo cyc- cycc cyen cyn- cyne cyno cyon cyy- cyyc cyyn eccc ecce ecco eche echo ecne eco- econ eeee eeny eeoc ehcc eheh ehen ence ench enco ency enee eneo eney ennc enne enny eno- enoc enoe enon enoy enye enyo eone eyec eyen eyey eyne hccc hcch hech hehe hehn heho hene henh henn heno heye heyh heyn hhhh hnce hnny hoce hoch hocn hoen hoey hohe hohn hoho hone hono hony hooe hoon hoye hyce hyen hyhe hyne hyo- hyon nccc nccn ncec ncee ncen nchc ncnc ncoc necc nece nech neco necy neen nehe nene nenh neno neo- neoc neon neoo neye neyh neyn neyo nhcc nhnn nhon nnnn noce noch noco nohn noho non- none nonn nono noo- noon nooo noye noyo nycc nyce nyco nycy nyen nyhe nyne nyny nyon o-eo occc occn oce ocee oche ocon oec- oecc oeec oen- oeno oeye oeyo ohcc ohee ohen ohey ohho ohne ohno ohoh ohye ohyo onc- once onco one- onec onee oneh oneo oney onne onno onon onoy ooho oone oooh oooo oyce oych oyee oyen oyne oyon yccc ycch ycee yche yech yeen yehe yenc yene yeoh yeon yeye yeyo yhen yhon ynce ynch ynne ynoh ynon yoch yoen yohe yohn yoho yone yono yoon yoye yoyn yoyo yyyy