cccc cccp cccs ccpp ccpr ccps ccrc ccrp ccrs ccrt ccsp ccss ccst cctc cctt cpcs cpps cprs cprt cpsc cpsr cptp cptr cpts crcc crcr crpc crps crrt crsp crss crst crtc crtp crts cscc cscr cscs cspc csps cspt csrc csrs cssr cstc cstr csts ctcp ctpp ctps ctrc ctrp ctrs ctsc ctss ctts pccc pccs pcpp pcps pcrc pcts ppcc ppcs pppp ppps pprc ppss ppts pptt prcc prcp prcs prps prrs prsc prss prtc prtp prtr pspp pspr psps psrp pssc psst psts ptcc pttc rccc rccs rcps rcpt rcsc rcss rctc rcts rpcs rpps rpts rrrr rrsp rscc rscs rsps rstp rsts rtcc rtps rtss rttp rtts sccc sccp sccs scct scps scpt scr- scrc scrs scsc scsr scst sctc sctr scts spcc spcs spps sprs spsp spss spst sptc sptr spts srcc srct srpc srps srpt srsp srtp srtr sscc sscp sscs sspc ssps sspt ssrc ssrs sssc ssss sstc sstp ssts stcc stcp stcs stpp stps strc strs stss sttc sttr tccc tctc tcts tpcp tpcs tppp tppr tprs tpsc tptp tptr trcc trpc trpp trps trst trtc trtr tscc tscp tsps tspt tssr tsst tstc tsts ttcp ttss tttt