c-cd cccc ccci cccp ccdc ccdi ccdp ccic ccid ccii ccip ccoc ccod ccpp cdic cdii cdio cicc cici cico cidc cidi cidp ciid ciii ciko cipo cipp ckck ckco ckdo ckoc ckoi ckoo ckpc cock coco cocp codd codi coip cok- coko cood cook coop copd copi copo copp cpic cpio cppd dccc dcci dccp dcii dcio dcop dcpo dddd ddoc ddpo dici dick dico didi dido diii diki diko dioc diop dipc dipo dipp dkdc dkid doci dock doco dod- dodd dodi dodo doid doki doko dood dook doop dopo dopp dpci dpcp dppc iccc icci icco iccp icdc icdd icdp icoc icod icpc icpd icpo iddo idic idid idio idoc iicd iiii iiio iioi iioo iiop ikid ikki ikko ikoo ioci iocp iod- iodd iodo ioii ioio ioko iooi iooo ipcc ipdc ipdi ipid ipko ipod ipop ippc ippo k-ci k-id kccc kccd kcci kcck kcdc kcdd kcdi kcic kcid kcii kckc kckk kcko kcpc kcpi kcpo kdcc kdcd kdco kddc kddd kddi kddk kdic kdio kdkd kdkk kdko kdoc kdok kdpi kicc kicd kick kicp kidd kidi kidk kido kiic kiid kiii kiik kiip kikc kikd kiki kikk kiko kioc kiod kioi kiok kioo kip- kipi kipo kipp kkcd kkci kkck kkco kkdc kkdd kkdo kkic kkid kkik kkkk kkoo kkpc kkpk kocd koci kock kocp kodi kodk kodo koii kokc koki kokk koko kokp kooc kooi kook kooo koop kopi kopp kpcc kpdc kpdo kpid kpkk kpoc kpod kpok kpoo kpop kppc kppd kppk kppo kppp occc occi ocpd ocpp odci oddd oddi odic odio odoo odop oici oick oido oiii oiko oipc okic okko okok okpo oodi ooid oooo opic opii opio opo- oppi oppo pccc pcip pcod pcpp pdci pdcp pdic pdoc picc pici pick pico pido piip piki pikk piko pipi pipo pipp pocd pock poco pod- podd podi podo poid poik poio poko pood pook poop pop- popc popi popo popp ppcc ppcd ppci ppdk ppic ppid ppod pppd pppo pppp