cccc cccf ccci cccs cccu ccfc ccff ccfi ccic ccii ccir ccis ccrc ccrf ccri ccrs ccrt ccsf ccsi ccss ccst cctc cctt ccuc ccus ccut cfcf cfcs cfcy cffr cfit cfrt cfry cfsi cftc cftr cicc cici cicr cics cict cicu ciff cifs ciii ciis ciit circ ciri cirr cirs cirt cis- cisc cisr ciss cist cisy citf citi cits citt citu city ciuc cius ciyu crcc crcr crfc crfs cric crif cris crit criu crrt crss crst crtc crtf crts crus crut cry- crys cscc cscf csci cscr cscs csfc csfr csir csis csit csrc csrs cssr cstc cstr csts csuf csur csus csys ctcf ctfc ctfs ctic ctrc ctrs ctsc ctss ctsu ctts cucc cuci cufc cuff cufi cui- cuif cuir cuis cuit curf curi curr curs curt cury cuss cust cusu cusy cut- cutc cuts cutt cuy- cuyr cyc- cycc cycs cyfi cyfs cyft cyrs cyrt cyst cyt- cyy- cyyc fccf fcic fcii fcsc fcst fcty ffcc ffff ffii ffrr ffss fftf ficc fics fict fifc fiff fifi fift fiii firs firy fisc fisi fiss fist fisu fitc fiti fits fitt frcc frfc fric fris frit frsc frst frys fscc fsfi fssc fssf ft-c ftfc ftfy ftii ftrs ftsr ftuc fuc- fuci fuct fufc fuff fufu fuir fuit fur- furi furr furs furt fury fusc fusi fuss fust fusu futi futs futu fuyt fuyu fyfi fyrs fyry fyti iccc iccf icci iccr iccs icct iccu icis icrc icrf icrr icrs icrt icru icry icsc icsi icsr icss icst icts icus iffy ific ifis ifit ifrf ifri ifsc iiii iiis iiit iirc iirs iisc iisi iisr iist iisu iitr iitt iiuc ircc ircs ircu irfu iri- iric iris iriy irrc irri irrs irsf irtf irti irts irus iscc isci iscr iscs isct iscu isfc isic isis isit isri issc issf issi issr isss issu issy istc isti istr ists isty isus isys itcs itic itif itis itrf itri itrs itry itsf itsi itsu itsy ittf itty itur iucc iuiu iuss iust iuty rccc rccs rcfc rcic rcis rcsc rcsi rcss rctc rcti rcts rcyc rffc rfic rftc ricc rics rict riff rifs rift rifu riif riis riri rirs risc risi riss rist risu riti rits ritt ritu rius riyf rrfc rrif rrrr rscc rscs rscy rsfc rsis rsts rstu rtcc rtfc rtss rtts ruci ruct rufc ruff ruft ruif ruis ruit rurc ruri rurs ruru rusi russ rust rusu rusy ruti ruts rutt rutu ruty ruyi ruys ryff ryft ryif ryis rysy rytt ryyf ryyt s-ic s-ii sccc sccs scct sccy scfc scfi sci- scic scif scir scis scit scr- scrc scri scrs scry scsc scsi scsr scst scsu sctc sctr scts scur scut sfcc sfcs sffc sfrc sfss sfsu sfts sicc sici sics sicu siff sifr sift sifu sify siit sirc sirf siri sirr sirs sirt siru sisc sisi siss sist sisu sisy sit- sitc siti sits sitt situ sity siui sius siut siyi siyu srcc srct srfc srfi sris srtr sscc ssci sscs ssfc ssis ssit ssrc ssri ssrs sssc sssf sssi ssss sstc ssts stcc stcs stcu stfc stfu stic stif stir stis stit strc stri strs stru stry stsf stsi stss sttc sttr stuc stuf stur stus stut stuy styf styr stys suc- succ suci sucr sucs suf- sufc suff sufi sufr sufs sufu suir suis suit sur- surc surf suri surr surs surt suru sury sus- susi suss sust susu susy suti sutu suty suus suyi suyr suyu sycr syff syfy syis syrs syrt syry syss syst sytt tccc tccu tcfc tctc tcts tfcu tfrs tfsi tfss tftc ticc tics tiff tift tiit tiiu tiri tirr tirs tiru tiry tisi tiss tist titc titi tits titt titu tiyi trcc trfc trfr tri- tric trif tris trit trsi trst trtc trtr truc trus trut truu try- trys tscc tsfc tsis tssf tssi tssr tsst tstc tsts tsui tsys ttfc ttff ttss tttt ttys tucc tufc tuff tufi tuft tufu tuis tuit tuiu turc turf turi turr turs turt turu tury tusc tusi tuss tust tuti tuts tutt tutu tuty tuys tyff tyft tyir tyr- tyrf tyrr tyss tyst tyti tytt tyty tyus ucci ucrc ucsc ucsf ucst ucsu ucut ufcu uirr uist uits urci urcy urff urfi urft uric urif uris uriu urri urry ursi urss ursu ursy urts urur urus urut uscc uscf uscs usfc usfi usfs usif usis ussc ussf ussr usss usst ussu ussy ustc usti usts usui usus utis utri utsc utti uttu uuri uusi uutf uuuu uyir uyts yccc yctc yiff yift yirr yiss yist yiti ysii yssu yuff yuft yufu yuit yuri yurt yury yust yutu yuty yuyu yyff yyyy