cccc cccl cccp cckw cclc ccoc ccow ccpl ccpp ckck ckcl ckco ckcw cklw ckoc ckoo ckpc ckww clok cloo clop clow cloz clpp cock coco cocp cok- coko col- colk coll colo colp cook cool coop copo copp cowl cowp cozz cplc k-lo kccc kcck kccl kckc kckk kckl kcko kckz kclc kclk kcll kclw kclz kcol kcow kcoz kcpc kcpl kcpo kcwc kcwk kcwl kczo kczz kkck kkcl kkco kkcw kkkk kklc kkll kklo kklz kkol kkoo kkow kkoz kkpc kkpk kkpl kkpz kkwk kkzz klcc klck klcl klcw klcz klkc klkk klkl klko kllc kllk kllp kloc klok klol kloo klop klow kloz klpc klpw klpz klwl klwo klzk klzz kock kocp kocw kokc kokk koko kokp kokz kolc kolk koll kolo kolw kolz kooc kook kool kooo koop kooz kopp kopw kowl kowz kozk kozo kpcc kpcl kpcw kpkk kpkl kplc kplk kplo kpoc kpok kpol kpoo kpop kpow kppc kppk kppl kppo kppp kppw kpwk kpww kpzk kwck kwkc kwkk kwkw kwkz kwlc kwlk kwoc kwok kwol kwow kwoz kwpc kwpl kwpw kwpz kwwk kwwl kzcl kzkz kzlk kzlw kzlz kzoo kzoz kzpk kzpo kzwc kzzk kzzo kzzp kzzz lccc lcpc lcpl llcc lllc llll lloc lloo locc lock loco lokk loko loll lolo lolz looc look lool loop looz lopp lowk lowl lowp loww lppl lwoo lwow lzop lzwl occc oclc ocpp okko oklo okok okol okpo olcc ollo olpc oolo oooo opo- oppo owlk owow pccc pccl pccw pclk pcll pclo pcpp plcc plkk ploc plok ploo plop plow plpp pock poco poko polk poll polo pook pool poop pop- popc popo popp powk powl powp pozo ppcc pplo pppo pppp pwll pzzl wccc wcck wccl wcco wccp wccw wckk wckl wckw wclc wclk wcll wclo wclw wclz wcoc wcok wcol wcoo wcop wcoz wcpc wcpk wcpo wcpp wcpz wcwc wcwp wczz wkcl wkco wkcw wkkc wkkl wkko wkkp wkkw wkkz wklk wkll wklo wklp wkoc wkok wkol wkoo wkow wkoz wkpc wkpk wkpl wkpo wkpw wkwc wkwl wkwz wkzc wkzk wkzl wkzo wkzp wkzw wkzz wlcc wlck wlcl wlco wlkk wlkl wlko wlkp wlkw wlkz wlll wllw wloc wlok wlol wloo wlop wlpc wlpk wlpo wlpw wlwc wlwk wlwl wlzk wlzl wlzw wlzz wocc wocl woco wokc wokk wokl woko wokw wokz wolk woll wolp wolw wolz wooc wook wool woop woow wooz wopc wopp wowc wowl wowo wowp woww wowz wozk wozz wpcc wpck wpcl wpcw wpkl wpko wpkz wplk wpll wplo wplp wplw wplz wpoc wpok wpol wpop wpow wpoz wppc wppl wppz wpwc wpwz wpzz wwck wwcl wwco wwcw wwkc wwkl wwkz wwlc wwlk wwll wwlp wwlw wwlz wwol wwow wwoz wwpc wwpl wwpw wwwc wwwk wwwl wwww wwwz wwzw wwzz wzcc wzcp wzko wzkw wzkz wzlk wzlo wzoc wzok wzol wzoo wzoz wzpl wzpw wzwp wzww wzwz wzzl wzzo wzzp wzzw wzzz zloc zoco zoll zolo zoo- zook zool zoop zopl zowl zozo zwop zwoz zzzz