cccc cccs cccu ccee ccgc ccgs ccrc ccre ccrg ccrs ccsg ccss ccuc ccus cec- cece cecs ceec cees cege cer- cerc cere cers cesc cese cesg cesr cess cgcc cgcg cger cges cggs cgss crcc crce crcr cre- crec cree creg cres creu crgs crss crue crug crus cscc csce cscr cscs csec csee cser csrc csrs csse cssr csur csus cucc cuce cucq cuer cues cure curr curs cusg cuss cusu eccc ecce eces ecgs ecrc ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eegs eerc eerg eers eese egcc egcg egcr egec egee eger egge eggs egre egsc egss equ- eque equs ercc erce erec erer eres erg- ergg ergs errc erre errs erse eruc erur erus esce escr escs escu esee eser eses esqr esqs esse essg essu esus euer euge eur- eurc eure euse gc-c gccc gccs gcrg gcse gcss gcsu gece geer gees gege gegg gere gers geru gesg gess gesu geue gggg ggss grcc grce grec gree greg gres greu grrr grrs grss grue grug grur grus gsse gsur guer gues guge gugg gugu gure gurg gurr gurs guru guse guss guus qcue qere qerq qqqq qrss qsqs qsrs qucu quee quer ques quu- rccc rccs rcgc rcrg rcsc rcss recc rece recr recs recu rees rege regr regs regu reqs rere rerg rers reru rese resq ress reue reus reuu rrrr rscc rscs rsee rsgc rsre ruce ruer rues ruge rugg rugs rurc rure rurs ruru ruse russ rusu sccc scce sccs scec scee sceg scer scgs scr- scrc scre scrs scsc scsr scsu scug scur se-c se-e se-g se-s se-u sec- secc sece secg secr secs secu seec seeg seeq seer sees seeu sege segg segs segu seqq seqs sequ serc sere serg serq serr sers seru sesc sese sess seur sgce sgcg sger sges sggg sggs sgss srcc srec sres sscc ssce sscs ssec ssee sses ssgs ssrc ssrg ssrs sssc ssss suc- succ sucr sucs suee suer sues sueu sug- suge sugg suqs sur- surc sure surg surr surs suru sus- suse suss susu suus uces ucrc ucsc ucsu uers uess ugcc ugcg uggs ugur uguu uqcc ure- ures urge urgu urre urse urss ursu uruq urur urus uscc usce uscg uscs usee user uses ussc usse ussr usss ussu usus uuuu