cfront chocho chonch chooch choro- choron chorro chorto chron- chrono chroot chthon chtorr co-opn co-opt cocco- cochon cococo cocoon cocto- cofton cohorn cohort conch- concho concon connon connor conoco contor coocoo cootch copnor copro- cornon cornot corrop corton cortot cothon cotton crocco cronon crooch cropon crotch croton f-prot fhtpnh foofoo foorth forhoo forrot forth- forton fotron ftroop hhctor hnrnpc hnrnpr hocooh hocton hoctor hohhot hohoho honcho honnor honor- honton hoohoo hoopoo hooroo hootch hooton hopnpp hopoff hopton horcop hororo horror horton hortor hotfor hotnot hotoff hotoro hotpot hotton hottot n-toon nocto- nocton noforn non-no non-op noncon nonhot nonono nonoon nonpro noonoo noonor noonto norcot noroff noroof norton notfor notho- nothot notron notton nottoo ocho ochro- oconto octoon offton ofpoor oftfor ohnono ohohoh ohpooh ohtoto on-off oncho- oncorn onfoot oofotr oohooh oooooo opocno oporto optfor optoro orccon ornoch oroton orphon orrho- ortho- ottoor pforth phffft phono- phonon phoro- photo- photon phthor pocono poncho ponton poonch poopoo popfor popoff popopo poporo poppop poptop porno- porron portch portof porton potron potton pottop pppppp procop procor proct- profor pronto proph- propho proto- proton rochon rochor rococo rocoto ronnon ronron rootof rooton rothco rotton tchort thocht thonon thonor thornn thoro- thoron throch throop to-fro to-on toforn tohoro tonono tonoro tonpon tonton toohot tootoo topcon topcop topoff toppop topton torcon tororo toroth torpor tortor totnor totopo totoro totrot troch- trocon tronoh tronto troph- tropo- troppo trotro