cccc cccs cccu cchr cchs ccnc ccnr ccns ccnu ccrc ccrs ccsn ccss ccuc ccus chch chcs chhs chnc chnr chns chrc chrn chrr chrs chsc chsh chsr chun chur chus cnhs cnrc cnrr cnss crcc crcr crhs crns crss crun crus cscc csch cscr cscs cshs csrc csrs cssr csur csus cucc cucn curn curr curs cush cuss cusu hccc hcch hccs hchs hcsc hcss hhhh hhhs hhus hncs hnhs hrhs hrrc hrun hscc hscn hshs hsur huch hucs hucu huhn huhs huhu hunc hunh huns hurn hurr hurs huru hush huss huus nccc nccn nccr nccs nccu nchc nchs ncnc ncrc ncsc ncss nhcc nhhs nhnn nhrc nhsc nnhs nnnn nnss nrcs nrhs nrrc nrsc nscc nscs nshs nsnr nsrc nssc nssr nsss nuch nucs nucu nunc nunn nuns nurc nurn nurr nurs nuru nush nuss nusu rccc rccs rchs rcnr rcsc rcss rhhs rhun rhus rncs rnsh rrhs rrrr rrun rscc rsch rscn rscs rshs rsnn rsnr ruch ruhh ruhn ruhr ruhs runc runn runs rurc rurs ruru rush russ rusu ruun sccc sccs sch- schh schr schs scnr scr- scrc scrn scrs scsc scsh scsn scsr scsu scun scur shcc shhh shhs shrs shsc shun shur shus shuu sncc snhs snns snrs snur snus srcc srch srhs srnn sscc sscs sshs ssns ssrc ssrs sssc sssh ssss suc- succ such sucr sucs suhr sun- sunn suns sunu sur- surc surn surr surs suru sus- suss susu suus uchs ucrc ucsc ucsu uhrs uhss uhuh uncc unch uncs unns unrs uns- unsc unus urch urns urrh urss ursu urun urur urus uscc usch uscs ushr ushs ushu usnc usnr usnu ussc ussr usss ussu usun usus uuuu