c-cor c-p-c c-pop ccccc ccrcl cctrl cloop cloor cloot clort cnnnn cntln cntnl cntrc cntrl co-co co-np co-op cocc- cocco cocol cocon cocto coll- collo colo- colon colop color colp- colpo concl conco concr cono- conon conop conor contl contn conto contr coolo coopt coppo copr- copro copto corno coro- corol coron corop corot corrl corto coton cott- cotto cpctc croco croll crool croon croop croot cropc cropo crott ctrlc ctrol l-pop l-ron loco- locon locro lollo lolol lonco loopt lopon loron loton lotor lotto ltcol n-p-n nnooo no-no no-op noct- nocto nolot nonno nonop nonot nonpc noort norco noroc noron norro nortt notlo notno noto- noton notpc notto nrotc ntoro ocllo ocorn octo- octol octon octor ollon olton onco- oncol onlot onont onoon onorn onoto onpop onpot onto- ontoo ontop ooooo opcon oploo oplot opnto oppol oppon opto- optot optto orcon orcop orlon orlop ornon ornot oroco orono orton ortoo otolo otono ototo otpor p-n-p pctct pllnt ploop ploot plopp plott po-on po-po pocno pocol pocop polco pollo polon polop ponor ponto poopo poort popco poplr popon popop poppo porcn porco porn- porno poro- poron porro porto potco potoc poton potoo potop potor potro potto pptnt prntr proll prolo proor proot prop- propl propn propp propr propt prot- proto prtor ptprc ptprn ptpro ptprr ptprt r-co- rcolo ro-ro rocco rocor rollc rollo rolon ronco ronno ronto roto- rotol roton rotor rotot rotto rprop rptor t-pop t-top tllnn tntnt tocco toco- tollo tolon toloo tolor tonco tono- tonto toolt toplo topo- topol topon topor topot toppo topto toron torpo torro torto toto- toton totoo totop tprot troco troll tronc trono troon troop trop- tropo trott ttttt