cccc cccp cccs cccu cchp cchr cchs ccpp ccpr ccps ccrc ccrp ccrs ccsp ccss ccuc ccup ccus chch chcp chcs chhs chpp chpr chrc chrp chrr chrs chsc chsh chsr chur chus cpcs cpcu cphs cpps cprs cpsc cpsr cpsu cpus crcc crcr crhs crpc crps crsp crss crup crus cscc csch cscr cscs cshp cshs cspc csps csrc csrs cssr csup csur csus cucc cupp cupr cups curr curs cush cusp cuss cusu hccc hcch hccs hchs hcpc hcps hcrp hcsc hcss hhhh hhhs hhpc hhus hpcc hphs hpps hpsc hpss hrhs hrpc hrpp hrps hrrc hscc hshs hsps hssp hsur huch hucs hucu huhs huhu hupp hups hurr hurs huru hush huss huus pccc pccs pchp pchs pcpp pcps pcrc phcc phhs phrr phrs phsc ppcc ppcs pphs pppp ppps pprc ppru ppsh ppss ppur prcc prcp prcs prhs prps prrs prsc prss prus pruu pscu pshc pshs psph pspp pspr psps psrp pssc puch pups pupu pur- purp purr purs puru push puss puuc rccc rccs rchs rcps rcsc rcss rhcp rhhs rhus rpcs rphs rpps rrhs rrrr rrsp rscc rsch rscs rshs rsps ruch ruhh ruhr ruhs rupp rurc rurp rurs ruru rush russ rusu sccc sccp sccs sch- schh schr schs scps scr- scrc scrs scsc scsh scsr scsu scup scur shcc shcp shhh shhs shps shrp shrs shsc shup shur shus shuu spcc spcs sphr sphs spps sprs spsp spss spur spus srcc srch srhs srpc srps srsp sscc sscp sscs sshs sspc ssps ssrc ssrs sssc sssh ssss suc- succ such sucr sucs suhr sup- suph supp supr sups sur- surc surp surr surs suru sus- susp suss susu suus u-rp uccp uchs ucph ucrc ucsc ucsu uhrs uhss uhuh uhup upcs uppc uppp uppu upsc upup urch urrh urss ursu urup urur urus uscc usch uscs ushr ushs ushu uspc uspp usps ussc ussr usss ussu usus uucp uuuu