cccc cccf cccu ccfc ccff ccrc ccrf ccrt cctc cctt ccuc ccut cfcf cfcy cffr cfrt cfry cftc cftr crcc crcr crfc crrt crtc crtf crut cry- ctcf ctfc ctrc cucc cufc cuff curf curr curt cury cut- cutc cutt cuy- cuyr cyc- cycc cyft cyrt cyt- cyy- cyyc fccf fcty ffcc ffff ffrr fftf frcc frfc ft-c ftfc ftfy ftuc fuc- fuct fufc fuff fufu fur- furr furt fury futu fuyt fuyu fyry rccc rcfc rctc rcyc rffc rftc rrfc rrrr rtcc rtfc ruct rufc ruff ruft rurc ruru rutt rutu ruty ryff ryft rytt ryyf ryyt tccc tccu tcfc tctc tfcu tftc trcc trfc trfr trtc trtr truc trut truu try- ttfc ttff tttt tucc tufc tuff tuft tufu turc turf turr turt turu tury tutt tutu tuty tyff tyft tyr- tyrf tyrr tytt tyty ucrc ucut ufcu urcy urff urft urry urur urut uttu uutf uuuu yccc yctc yuff yuft yufu yurt yury yutu yuty yuyu yyff yyyy