cccc ccci cccs cccu ccic ccii ccir ccis ccrc ccri ccrs ccrt ccsi ccss ccst cctc cctt ccuc ccus ccut cicc cici cicr cics cict cicu ciii ciis ciit circ ciri cirr cirs cirt cis- cisc cisr ciss cist citi cits citt citu ciuc cius crcc crcr cric cris crit criu crrt crss crst crtc crts crus crut cscc csci cscr cscs csir csis csit csrc csrs cssr cstc cstr csts csur csus ctic ctrc ctrs ctsc ctss ctsu ctts cucc cuci cui- cuir cuis cuit curi curr curs curt cuss cust cusu cut- cutc cuts cutt iccc icci iccr iccs icct iccu icis icrc icrr icrs icrt icru icsc icsi icsr icss icst icts icus iiii iiis iiit iirc iirs iisc iisi iisr iist iisu iitr iitt iiuc ircc ircs ircu iri- iric iris irrc irri irrs irti irts irus iscc isci iscr iscs isct iscu isic isis isit isri issc issi issr isss issu istc isti istr ists isus itcs itic itis itri itrs itsi itsu itur iucc iuiu iuss iust rccc rccs rcic rcis rcsc rcsi rcss rctc rcti rcts ricc rics rict riis riri rirs risc risi riss rist risu riti rits ritt ritu rius rrrr rscc rscs rsis rsts rstu rtcc rtss rtts ruci ruct ruis ruit rurc ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu s-ic s-ii sccc sccs scct sci- scic scir scis scit scr- scrc scri scrs scsc scsi scsr scst scsu sctc sctr scts scur scut sicc sici sics sicu siit sirc siri sirr sirs sirt siru sisc sisi siss sist sisu sit- sitc siti sits sitt situ siui sius siut srcc srct sris srtr sscc ssci sscs ssis ssit ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stcu stic stir stis stit strc stri strs stru stsi stss sttc sttr stuc stur stus stut suc- succ suci sucr sucs suir suis suit sur- surc suri surr surs surt suru sus- susi suss sust susu suti sutu suus tccc tccu tctc tcts ticc tics tiit tiiu tiri tirr tirs tiru tisi tiss tist titc titi tits titt titu trcc tri- tric tris trit trsi trst trtc trtr truc trus trut truu tscc tsis tssi tssr tsst tstc tsts tsui ttss tttt tucc tuis tuit tuiu turc turi turr turs turt turu tusc tusi tuss tust tuti tuts tutt tutu ucci ucrc ucsc ucst ucsu ucut uirr uist uits urci uric uris uriu urri ursi urss ursu urts urur urus urut uscc uscs usis ussc ussr usss usst ussu ustc usti usts usui usus utis utri utsc utti uttu uuri uusi uuuu