c-cd cccc ccci cccp cccs ccdc ccdi ccdp ccds ccic ccid ccii ccip ccis ccoc ccod ccpp ccps ccsd ccsi ccsp ccss cdcs cdic cdii cdio cdis cdos cdps cdss cicc cici cico cics cidc cidi cidp cids ciid ciii ciis ciko cios cipo cipp cips cis- cisc cisd cisk cisp ciss ckck ckco ckcs ckdo ckoc ckoi ckoo ckos ckpc ckso cock coco cocp codd codi cods coip cois cok- coko cood cook coop coos copd copi copo copp cops cosc cosi coso cosp coss cpcs cpic cpio cpos cppd cpps cpsc cpsk cpso cscc cscd csci csco cscs csdp csid csik csio csis csks csos cspc cspd cspi csps cssd dccc dcci dccp dccs dcds dcii dcio dcis dcop dcos dcpo dcps dcsc dcss dddd ddoc ddpo ddps ddss dici dick dico didi dido dids diii diis diki diko dioc diop dios dipc dipo dipp dips dis- disc disd disi disk diso disp diss dkdc dkid doci dock doco docs dod- dodd dodi dodo dods doid dois doki doko dood dook doop doos dopo dopp dops dosi dosk doso doss dpci dpcp dpos dppc dpsd dscc dscp dscs dsdp dsip dsos dsps dssc dssi dssp iccc icci icco iccp iccs icdc icdd icdp icis icks icoc icod icos icpc icpd icpo icps icsc icsd icsi icsp icss iddo idic idid idio idis idoc idos idps idsc idso idss iicd iiii iiio iiis iioi iioo iiop iios iisc iisd iisi iisp ikid ikki ikko ikoo ioci iocp iod- iodd iodo ioii ioio ioko iooi iooo ioos iops ioso ipcc ipcs ipdc ipdi ipid ipko ipod ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iscc iscd isci isco iscp iscs isdc isds isic isis isko iso- isoc isok isop isos ispc isps issc issi isso issp isss k-ci k-id k-os kccc kccd kcci kcck kcdc kcdd kcdi kcds kcic kcid kcii kcis kckc kckk kcko kcos kcpc kcpi kcpo kcps kcsc kcsd kcsi kcsp kcss kdcc kdcd kdco kddc kddd kddi kddk kdic kdio kdis kdkd kdkk kdko kdoc kdok kdpi kdps kdsc kdsd kdsk kdsp kdss kicc kicd kick kicp kics kidd kidi kidk kido kids kiic kiid kiii kiik kiip kiis kikc kikd kiki kikk kiko kioc kiod kioi kiok kioo kip- kipi kipo kipp kips kisc kisd kisi kisk kiso kiss kkcd kkci kkck kkco kkcs kkdc kkdd kkdo kkic kkid kkik kkkk kkoo kkpc kkpk kkps kksd kksi kksp kkss kocd koci kock kocp kocs kodi kodk kodo kods koii kokc koki kokk koko kokp koks kooc kooi kook kooo koop koos kopi kopp kops kos- kosc kosd kosi koso kosp koss kpcc kpcs kpdc kpdo kpid kpkk kpoc kpod kpok kpoo kpop kppc kppd kppk kppo kppp kpsc kpsd kpsi kpso kpsp ksci ksck ksco kscs ksdc ksdi ksdk ksdp ksds ksid ksii ksik ksip ksis kskd kskk ksko ksks ksoc ksoi ksok ksoo ksop ksos kspc kspd kspi kspk kspo ksps kssi ksso ksss occc occi ocds ocis ocks ocos ocpd ocpp odci oddd oddi odds odic odio odis odoo odop odos odso oici oick oido oids oiii oiko oiks oios oipc oisc oisd okic okko okok okpo oksi okso oodi ooid oooo ooos oops oosi opds opic opii opio opis opo- opos oppi oppo opps opsi oscc osci osco osdi osii osik osip osis oski osoi osoo osos ossd ossi osso pccc pccs pcip pcks pcod pcos pcpp pcps pcso pdci pdcp pdic pdoc pdos pdsd pdss picc pici pick pico pics pido pids piip piki pikk piko piks pipi pipo pipp pips pisd pisi pisk piso piss pkcs pocd pock poco pocs pod- podd podi podo pods poid poik poio pois poko pood pook poop poos pop- popc popi popo popp pops posi posk poso poss ppcc ppcd ppci ppcs ppdk ppds ppic ppid ppod ppos pppd pppo pppp ppps ppss psci psco psdc psdi psdp psds psid psip psis psoc psoi psos pspi pspp psps pssc psso s-ic s-ii s-os sccc sccp sccs scdc scdp scds sci- scic scid scio scip scis sck- scok scoo scop scpi scpo scps scsc scsd scsi scso sdcc sdco sddc sdds sdic sdio sdps sdsc sdss sicc sici sick sico sicp sics sidd sidi sido sids siik siki siko siks siod siop sios sipc sipi sipo sipp sips sisc sisd sisi sisk siss skic skid skik skio skip skis skop skpc skpo sksd skss soci sock soco socs sodd sodo sods soic soik sois soki sokk soko sood sook soop soos sopd sopi sopo sopp sops sosi soso soss spcc spco spcs spdc spdp spic spik spio spip spis spoc spod spok spoo spop spos sppd spps spsd spso spsp spss sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis ssoc ssop sspc sspo ssps sssc sssi ssss