cccc cccl cccp cclc ccnc ccnp ccoc ccpl ccpn ccpp cctc cctl cctt ckck ckcl ckco ckln cknc cknt ckoc ckoo ckot ckpc clok clon cloo clop clot clpp cltc cnco cncp cntc cntk cock coco cocp coct cok- coko col- colk coll coln colo colp colt con- conc conk conn cono cont cook cool coon coop coot copo copp copt cotc cotn coto cott cplc cpnt cptp ctcp ctol ctot ctpo ctpp cttn k-lo kccc kcck kccl kcct kckc kckk kckl kckn kcko kclc kclk kcll kcln kclt kcno kcnp kcnt kcol kcon kcot kcpc kcpl kcpn kcpo kcpt kctc kctn kcto kkck kkcl kkcn kkco kkct kkkk kklc kkll kkln kklo kknn kkno kknt kkol kkon kkoo kkot kkpc kkpk kkpl kkpn kkpt kktc kktk kktl klcc klck klcl klcn klkc klkk klkl klkn klko kllc kllk kllp klnc klnn klno klnt kloc klok klol klon kloo klop klpc kltc kltk kltn klto kltt knck kncn knco knct knkk knkt knlc knlp knlt knnk knoc knok knol knon knop knot knpc knpt kntk kntn knto kock kocn kocp koct kokc kokk kokn koko kokp kolc kolk koll koln kolo kolt konc konk kono konp kont kooc kook kool koon kooo koop koot kopn kopp kopt kotc kotk kotn koto kott kpcc kpcl kpkk kpkl kplc kplk kpln kplo kplt kpnc kpno kpnp kpnt kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp kptl kptn kpto kptt ktcc ktck ktcl ktco ktkc ktkk ktkn ktko ktkt ktlk ktln ktlo ktlt ktnc ktnk ktnl ktnn ktno ktnt ktoc ktok kton ktoo ktop ktot ktpk ktpl ktpo ktpt kttc kttk kttn ktto kttp kttt lccc lcpc lcpl lctl lcto llcc lllc llll lloc lloo lnnk lntc locc lock locn loco lokk loko loll lolo lonk lono lont looc look lool loon loop loot lopp lotl loto lott lppl ltcc ltnt lttc nccc nccn nccp ncct nclc ncln ncnc ncoc ncpc nctc nknt nkok nlcc nlpc nnnn nnot nntn nock nocl noco noct noko noll nolo nolp nolt non- nonn nono nont noo- nook nool noon nooo noop noot not- noto nott npcc nppc nppl nptc nptn ntcc ntop ntpc ntto occc occn occt oclc ocon ocpp oct- octo okko oklo okno okok okol okon okot okpo okto olcc ollo olon olot olpc onc- onco onct onkp onno onon onpt ont- ontc onto oolo oont oooo ootp opo- opon oppo optn opto otcl oto- otok oton otoo otpp otto pccc pccl pclk pcll pclo pcnt pcpn pcpp plcc plkk plnt ploc plok plon ploo plop plot plpp pltt pnkp pnln pnnl pnon pnot pnpo pnpp pntl pock poco poko polk poll polo polt ponc ponk pono ponp pont pook pool poon poop poot pop- popc popo popp popt potc poto pott ppcc pplo pppn pppo pppp pptn pptt ptcc ptcl ptol ptop pttc pttk tccc tcnn tcon tcpo tctc tkol tkon tlco tlon tncc tnpk tock toco toko tol- tolk toll tolo tolt tonk tonn tono took tool toon toot top- topo topp topt totc toto tott tpck tpcp tpol tpon tppp tptp ttcn ttcp tton ttop tttt