cccc ccci cccp cccs cccu ccic ccii ccip ccis ccpp ccps ccsi ccsp ccss ccuc ccup ccus cicc cici cics cicu ciii ciis cipp cips cis- cisc cisp ciss cisy ciuc ciup cius ciyu cpcs cpcu cpic cpps cpsc cpsu cpus cscc csci cscs csis cspc cspi csps csup csus csys cucc cuci cui- cuis cupp cups cusp cuss cusu cusy cuy- cuyp cyc- cycc cycs cypc cyps cyy- cyyc iccc icci iccp iccs iccu icis icpc icps icsc icsi icsp icss icup icus iiii iiis iisc iisi iisp iisu iiuc ipcc ipcs ippc ippy ipsc ipsi ipsp ipss ipus iscc isci iscp iscs iscu isic isis ispc isps ispy issc issi issp isss issu issy isup isus isys iucc iuiu iupp iuss pccc pccs pcip pcpp pcps picc pici pics picu picy piip pipi pipp pips pipy pisi piss pisu pisy pius piys ppcc ppci ppcs ppic pppp ppps ppss psci pscu psip psis pspi pspp psps pssc psy- psys puis puiu pupi pups pupu pupy pusi puss puuc puy- puyi puys pyic pypy pyss s-ic s-ii sccc sccp sccs sccy sci- scic scip scis scpi scps scsc scsi scsu scup sicc sici sicp sics sicu sipc sipi sipp sips sipy sisc sisi siss sisu sisy siui sius siyi siyu spcc spcs spic spip spis spps spsp spss spui spus spy- spys sscc ssci sscp sscs ssis sspc ssps sssc sssi ssss suc- succ suci sucs suis sup- supp sups supy sus- susi susp suss susu susy suus suyi suyu syis syss ucci uccp ucsc ucsu uipi upci upcs upic upis uppc uppp uppu uppy upsc upsi upsy upup uscc uscs usip usis uspc uspp usps ussc usss ussu ussy usui usus uucp uusi uuuu yccc yips yiss ypcc ypsi ysii yspi yssu yupi yups yuyu yyyy