repe repp repr reps repu rera rere rerg rers reru resa rese resp ress reue reup reus reuu rpca rpcs rpga rpgs rpps rras rrrr rrsp rsaa rscc rscs rsee rsgc rsps rsre rssa rsua ruag ruas ruca ruce ruer rues ruga ruge rugg rugs rupa rupe rupp rura rurc rure rurp rurs ruru rusa ruse russ rusu sa-c saac saae saag saap saar saas saca sacc sace sacr sacs sacu saer saes saga sage sagg sags sagu sapa sape sapp saps sara sarc sare sarg sarp sarr sars saru sasa sasc sase sass saua sauc saue saup saur saus scaa scac scag scap scar scas sccc scce sccp sccs scea scec scee sceg scep scer scgp scgs scpa scpe scps scr- scra scrc scre scrs scsa scsc scsr scsu scua scug scup scur se-c se-e se-g se-s se-u seaa seac seap sear seas seau sec- seca secc sece secg secr secs secu seea seec seeg seep seer sees seeu sega sege segg segs segu sepa sepe sepg sepp sepr seps sepu sera serc sere serg serp serr sers seru sesa sesc sese sess seur sgaa sgac sgap sgau sgca sgce sgcg sger sges sggg sggs sgps sgss sp-a spac spae spag spap spar spas spau spca spcc spcs spea spec spee speg sper spes spps sprs spsa spse spsp spss spue spug spur spus sras srcc srec sres srpc srps srsp ssaa ssac ssap ssas ssau ssca sscc ssce sscp sscs ssec ssee ssep sses ssgs sspa sspc sspe ssps ssra ssrc ssrg ssrs sssa sssc ssss suar suas suc- succ sucr sucs suee suer sues sueu sug- suga suge sugg sup- supa supe supp supr sups sur- sura surc sure surg surp surr surs suru sus- susa suse susp suss susu suus u-rp uaca uaes uarc uars uaru uasa uasp uaua ucar ucas ucca uccp ucea uces ucpa ucrc ucsa ucsc ucsu ucua uers uess ugar ugcc ugcg ugep uggs ugra ugur uguu upac upar upas upca upcs uppa uppc uppe uppp uppu upra upsa upsc upse upup urac urap uras urau urca ure- urea ures urga urge urgu urra urre ursa urse urss ursu urup urur urus us-a usaa usac usag usap usar usas usca uscc usce uscg uscs usea usee user uses usga usgp uspa uspc uspp usps usra ussa ussc usse ussr usss ussu usua usus uucp uuuu