cccc ccci cccp cccs ccic ccii ccip ccis ccpp ccps ccsi ccsp ccss ccst cctc cctt cicc cici cics cict ciii ciis ciit cipp cips cis- cisc cisp ciss cist citi citp cits citt cpcs cpic cpps cpsc cptp cpts cscc csci cscs csis csit cspc cspi csps cspt cstc csts ctcp ctic ctpp ctps ctsc ctss ctts iccc icci iccp iccs icct icis icpc icps icsc icsi icsp icss icst ictp icts iiii iiis iiit iisc iisi iisp iist iitt ipcc ipcs ipct ippc ipsc ipsi ipsp ipss iptc ipts iscc isci iscp iscs isct isic isis isit ispc isps issc issi issp isss istc isti istp ists itcs itic itis itpc itsi itsp pccc pccs pcip pcpp pcps pcts picc pici pics pict piip pipi pipp pips pisi piss pist piti pits pitt ppcc ppci ppcs ppic pppp ppps ppss ppts pptt psci psip psis pspi pspp psps pssc psst psts ptcc pttc s-ic s-ii sccc sccp sccs scct sci- scic scip scis scit scpi scps scpt scsc scsi scst sctc scts sicc sici sicp sics siit sipc sipi sipp sips sipt sisc sisi siss sist sit- sitc siti sits sitt spcc spcs spic spip spis spit spps spsp spss spst sptc spts sscc ssci sscp sscs ssis ssit sspc ssps sspt sssc sssi ssss sstc sstp ssts stcc stcp stcs stic stip stis stit stpp stps stsi stss sttc tccc tctc tcts ticc tics tiit tip- tipc tipi tipp tips tipt tisi tiss tist titc titi titp tits titt tpcp tpcs tppp tpsc tptp tscc tscp tsis tsps tspt tssi tsst tstc tsts ttcp ttss tttt