c-cd cccc ccci cccp cccs ccdc ccdi ccdp ccds ccic ccid ccii ccip ccis ccpp ccps ccsd ccsi ccsp ccss ccst cctc cctt cdcs cdic cdii cdis cdps cdss cicc cici cics cict cidc cidi cidp cids cidt ciid ciii ciis ciit cipp cips cis- cisc cisd cisk cisp ciss cist citi citp cits citt ckck ckcs ckpc ckst ckts cpcs cpic cppd cpps cpsc cpsk cptp cpts cscc cscd csci cscs csdp csid csik csis csit csks cspc cspd cspi csps cspt cssd cstc cstd csts ctcp ctic ctpp ctps ctsc ctss ctts dccc dcci dccp dccs dcct dcds dcii dcis dcps dcsc dcss dctc dcts dddd ddps ddss ddts dici dick dict didi dids diii diis diki dipc dipp dips dipt dis- disc disd disi disk disp diss dist diti dits ditt dkdc dkid dpci dpcp dpdt dppc dpsd dpst dpts dscc dscp dscs dsdp dsip dsps dspt dssc dssi dssp dsst dstc dsts dtcc dtdp dtki dtss dttp iccc icci iccp iccs icct icdc icdd icdp icis icks icpc icpd icps icsc icsd icsi icsp icss icst ictp icts idic idid idis idps idsc idss idtp idts iicd iiii iiis iiit iisc iisd iisi iisp iist iitt ikid ikki ipcc ipcs ipct ipdc ipdi ipid ippc ipsc ipsi ipsp ipss iptc ipts iscc iscd isci iscp iscs isct isdc isds isic isis isit ispc isps issc issi issp isss istc istd isti istp ists itcs itic itis itpc itsi itsp k-ci k-id kccc kccd kcci kcck kcct kcdc kcdd kcdi kcds kcic kcid kcii kcis kcit kckc kckk kcpc kcpi kcps kcpt kcsc kcsd kcsi kcsp kcss kcst kctc kcti kdcc kdcd kddc kddd kddi kddk kdic kdis kdkd kdkk kdkt kdpi kdps kdsc kdsd kdsk kdsp kdss kdst kdtd kdti kdtp kicc kicd kick kicp kics kict kidd kidi kidk kids kiic kiid kiii kiik kiip kiis kiit kikc kikd kiki kikk kikt kip- kipi kipp kips kipt kisc kisd kisi kisk kiss kist kitc kiti kits kitt kkcd kkci kkck kkcs kkct kkdc kkdd kkdt kkic kkid kkik kkit kkkk kkpc kkpk kkps kkpt kksd kksi kksp kkss kkst kktc kktk kkts kpcc kpcs kpdc kpid kpit kpkk kppc kppd kppk kppp kpsc kpsd kpsi kpsp kptd kpts kptt ksci ksck kscs ksdc ksdi ksdk ksdp ksds ksid ksii ksik ksip ksis ksit kskd kskk ksks kspc kspd kspi kspk ksps kspt kssi ksss ksst kstc ksti kstk kstp ksts kstt ktcc ktck ktcs ktdc ktdd ktdk ktic ktik ktip ktis ktkc ktkk ktks ktkt ktpi ktpk ktpt ktsc ktsd ktst kttc ktti kttk kttp ktts kttt pccc pccs pcip pcks pcpp pcps pcts pdci pdcp pdic pdsd pdss pdtc picc pici pick pics pict pids piip piki pikk piks pikt pipi pipp pips pisd pisi pisk piss pist piti pits pitt pkcs pkts ppcc ppcd ppci ppcs ppdk ppds ppic ppid pppd pppp ppps ppss ppts pptt psci psdc psdi psdp psds psid psip psis pspi pspp psps pssc psst psts ptcc ptdc ptpd ptsd pttc pttk s-ic s-ii sccc sccp sccs scct scdc scdp scds sci- scic scid scip scis scit sck- scpi scps scpt scsc scsd scsi scst sctc sctd scts sdcc sddc sdds sdic sdps sdsc sdss sicc sici sick sicp sics sidd sidi sids siik siit siki siks sipc sipi sipp sips sipt sisc sisd sisi sisk siss sist sit- sitc sitd siti sits sitt skic skid skik skip skis skit skpc sksd skss spcc spcs spdc spdp spdt spic spik spip spis spit sppd spps spsd spsp spss spst sptc spts sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis ssit sspc ssps sspt sssc sssi ssss sstc sstd sstp ssts stcc stcp stcs stds stic stid stik stip stis stit stks stpd stpp stps stsi stss sttc sttd tccc tcdd tctc tcts tdis tdkp tdss ticc tick tics tidc tidd tids tiit tiki tip- tipc tipi tipp tips tipt tisi tiss tist titc titi titp tits titt tkip tkts tpcd tpck tpcp tpcs tpks tppd tppp tpsc tptp tscc tscp tsid tsis tsks tsps tspt tssi tsst tstc tsts ttcp ttss tttt