rcrg rcsc rcss rebb rebe rebk rebs rebu recc rece rech reck recr recs recu reeb reek rees rege regr regs regu rehb rehe rehs reke reks rere rerg rers reru rese resh ress reue reuk reus reuu rgbe rghs rhbg rhce rhcg rheb rhee rhes rhhs rhue rhug rhus rkss rrhs rrrr rscc rsch rscs rsee rsgb rsgc rshs rsre rubb rube rubs rubu ruce ruch ruck ruer rues ruge rugg rugh rugs ruhe ruhh ruhr ruhs ruke rukh rukk ruku rurc rure rurs ruru ruse rush rusk russ rusu sbbs sbcc sbcs sber sbhc sbhk sbhs sbrk sbse sbus sccc scce sccs scec scee sceg scer scgs sch- sche schh schr schs sck- scr- scrc scre scrs scsc scsh scsr scsu scub scug scur se-c se-e se-g se-h se-k se-s se-u sebe sebs sec- secc sece secg sech seck secr secs secu seeb seec seeg seeh seek seer sees seeu sege segg segh segs segu sehe sehk sehr sehs seke sekk seku serb serc sere serg serk serr sers seru sesc sese sesh sess seur sgcb sgce sgcg sger sges sggg sggs sghc sghs sgsh sgss shbs shcc she- sheb shee sheh shek sher shes sheu shgc shgr shhh shhs shre shrs shsc shub shue shug shuk shur shus shuu skee skeg sker skes skhs skss skue skur srbc srcc srch sreb srec sres srgb srhs srub ssbr sscc ssce sscs ssec ssee sses ssgs sshs ssrc ssrg ssrs sssb sssc sssh ssss sub- subb subg subh subs suc- succ such suck sucr sucs suee suer sues sueu sug- suge sugg sugh suhb suhr suke sukh suks suku sur- surc sure surg surr surs suru sus- suse susk suss susu suus ubbe ubek uber ucbc uces uche uchs ucrc ucsb ucsc ucsu uers uess ugcc ugcg uggs ughe ughs ugur uguu uher uhrs uhss uhuh ukcc ukek ukes ukeu ukrc uksc uksg ukur urbe urbs urch ure- ureh ures urge urgh urgu urke urre urrh urse urss ursu uruk urur urus us-k usbc usbe usbr usbs uscc usce uscg usch uscs usee user uses ushr ushs ushu uske ussb ussc usse ussr usss ussu usus uuuu