cccc ccci cccs ccic ccii ccir ccis ccnc ccni ccnr ccns ccrc ccri ccrs ccrt ccsi ccsn ccss ccst cctc cctt cicc cici cicr cics cict ciii ciis ciit cin- cinc cini cint circ ciri cirr cirs cirt cis- cisc cisn cisr ciss cist citi cits citt cnci cnic cnrc cnrr cnrt cnss cntc cntr crcc crcr cric crin cris crit crns crrt crss crst crtc crts cscc csci cscr cscs csir csis csit csrc csrs cssr cstc cstr csts ctic ctns ctrc ctrn ctrs ctsc ctsn ctss cttn ctts iccc icci iccn iccr iccs icct icis icnc icns icrc icrr icrs icrt icsc icsi icsr icss icst icts iiii iiis iiit iirc iirs iisc iisi iisr iist iitr iitt inci incr incs inis init inni innr inns inri inrs insc inss inst inti intn intr ints ircc ircs iri- iric irin iris irrc irri irrs irti irts iscc isci iscn iscr iscs isct isic isin isis isit isnt isri issc issi issr isss istc isti istr ists itcs itic itin itis itri itrs itsi n-ii nccc ncci nccn nccr nccs ncct ncis ncit ncnc ncrc ncri ncsc ncsi ncss ncst nctc nctr nicc nici nics niir niit nini nins nirs nirt nisi niss nist nitc niti nitr nits nnit nnnn nnss nntn nrcs nric nrrc nrsc nrts nscc nscs nsic nsin nsis nsnr nsrc nssc nssr nsss nstc nsts ntcc ntis ntrc ntsc ntss nttr rccc rccs rcic rcis rcnr rcsc rcsi rcss rctc rcti rcts ricc rics rict riin riis rinn riri rirs risc risi riss rist riti rits ritt rncs rnin rnnt rrrr rscc rscn rscs rsis rsnn rsnr rsts rtcc rtns rtss rtts s-ic s-ii sccc sccs scct sci- scic scin scir scis scit scnr scnt scr- scrc scri scrn scrs scsc scsi scsn scsr scst sctc sctn sctr scts sicc sici sics siit sini sinn sins sint sirc siri sirr sirs sirt sisc sisi siss sist sit- sitc siti sitn sits sitt sncc snir snit snns snrs sntr srcc srct sris srni srnn srtr sscc ssci sscs ssin ssis ssit ssns ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stic stir stis stit stnn stnr stns strc stri strn strs stsi stss sttc sttr tccc tcnn tctc tcts ticc tics tiit tinc tini tinn tins tint tiri tirr tirs tisi tiss tist titc titi tits titt tncc tnts trcc tri- tric trin tris trit trsi trst trtc trtr tscc tsin tsis tssi tssr tsst tstc tsts ttcn ttss tttt