cccc ccci cccp cccu ccic ccii ccip ccir ccpp ccpr ccrc ccri ccrp ccuc ccup cicc cici cicr cicu ciii cipp circ ciri cirr ciuc ciup ciyu cpcu cpic cpri crcc crcr cric crip criu crpc crup cry- cucc cuci cui- cuir cupp cupr curi curr cury cuy- cuyp cuyr cyc- cycc cypc cyy- cyyc iccc icci iccp iccr iccu icpc icrc icrr icru icry icup iiii iirc iiuc ipcc ippc ippr ippy ipri ipur ircc ircu iri- iric irip iriy irpc irrc irri iucc iuiu iupp pccc pcip pcpp pcrc picc pici picr picu picy piip pipi pipp pipy pirc piri pirr piru piry ppcc ppci ppic pppp pprc ppru ppur prcc prcp pri- prii prri pruu puir puiu pupi pupu pupy pur- puri purp purr puru pury puuc puy- puyi pyic pypy pyr- pyri pyry rccc rcic rcpi rcyc ricc ripi ripp ripr riri rpii rpyc rrrr ruci rupp rupy rurc ruri rurp ruru ruyi ryip u-rp ucci uccp ucrc uipi uirr upci upic uppc uppp uppu uppy upri upup urci urcy uric uriu urri urry urup urur uucp uuri uuuu uyir yccc yirr ypcc ypir yupi yuri yury yuyu yyyy