-ene -one cccc cccf cccu ccee ccfc ccff ccnc ccne ccnf ccnu ccoc ccuc cec- cece ceco ceec cef- cefc cefn cen- cene ceno ceou cfcf cfcn cfco cfun cnco coce coco cocu coen cofc cofe coff con- conc cone conf conn cono coof coon coue coun cucc cuce cucn cufc cuff cufo cune cuno cuon eccc ecce ecco ecef ecfc ecne eco- econ ecou eeee eefe eefn eeoc efco efen efeo efon ence enco enee eneo ennc enne ennu eno- enoc enoe enon enue enuf eone eufc fccf fece feen fefc fefe feff fefo fene fenn feof feon ffcc ffee ffff ffun fnuf foce foco fofo fone fono foof foon foun fuc- fufc fuff fufu fune funf nccc nccf nccn nccu ncec ncee ncef ncen ncfc ncfe ncnc ncoc ncue necc nece neco neef neen nefe neff nene neno nenu neo- neoc neon neoo neuc neue neuf neun neuo neuu nfcu nfff nfon nnnn noce noco non- none nonn nono nonu noo- noon nooo noun nuce nucu nuee nuff nunc nune nunn nuno nuoc nuon o-eo occc occn oce ocee ocef ocon oec- oecc oeec oen- oeno oeuf ofen off- offc offe offo offu ofno onc- once oncf onco one- onec onee oneo onne onno onon onue ooff oone oooo oucc ouen oufc oufe ouff oun- oune ouu- ucon ueno ufcu uffe uncc unce uncf unco unec unee unef unen unne unno unon uocc uofo uone uuen uuno uuoc uuuu