cccc cccf cccl cccp ccfc ccff ccfl cclc ccoc ccow ccpl ccpp cfcf cfcl cfco cfcw cfpl cfpo cfwc clof cloo clop clow clpp coco cocp cofc coff col- coll colo colp coof cool coop copo copp cowl cowp cpff cplc cwfc fccf fccp ffcc ffff flcl floc floo flop flow foco fofo folc foll folo foof fool fopp fowl fp-c fpcc fplc fwcc fwfc lccc lcfc lcpc lcpl lfcc llcc lllc llll lloc lloo locc loco loff loll lolo looc loof lool loop lopp lowl lowp loww lpfp lppl lwfc lwoo lwow occc ocfp oclc ocpp ofcl off- offc offo olcc ollo olof olpc ooff oolo oooo opo- oppo owow pccc pccl pccw pcfc pcll pclo pcpp pfff plcc plff ploc ploo plop plow plpp poco poff poll polo poof pool poop pop- popc popo popp powl powp ppcc pplo pppo pppp pwll wccc wccf wccl wcco wccp wccw wcfc wcfl wcfo wcfw wclc wclf wcll wclo wclw wcoc wcol wcoo wcop wcpc wcpo wcpp wcwc wcwf wcwp wfcc wfcf wfcl wfco wffc wfff wflc wflf wfll wflo wflw wfpc wfpf wfpl wfwc wfwl wfwo wlcc wlcl wlco wlfc wlff wlfl wlfp wlfw wllf wlll wllw wloc wlof wlol wloo wlop wlpc wlpo wlpw wlwc wlwf wlwl wocc wocl woco wofc woff wofl wolf woll wolp wolw wooc woof wool woop woow wopc wopp wowc wowf wowl wowo wowp woww wpcc wpcf wpcl wpcw wpfc wpff wpfl wpfo wpfp wpfw wpll wplo wplp wplw wpoc wpol wpop wpow wppc wppl wpwc wwcf wwcl wwco wwcw wwfc wwfl wwfp wwfw wwlc wwlf wwll wwlp wwlw wwof wwol wwow wwpc wwpl wwpw wwwc wwwl wwww