seec seef seem sees seeu sefa seff sema semc seme sems semu seoc sesa sesc sese seso sess sfas sfca sfcc sfco sfcs sffc sfma sfmm sfos sfss sfsu smaa smac smas smcc smea smec smee smoc smof smos smsc smss smus soam soas soca soce socm soco socs soea soec soem soeo soes sofa sofo soma some somm somo soof soom soos sosa sose soso soss soue souf soum sous ssaa ssac ssam ssao ssas ssau ssca sscc ssce sscs ssec ssee ssem sses ssfc ssmc ssoc sssa sssc sssf sssm ssss suam suas suc- succ sucs suee sues sueu suf- sufa sufc suff sufs sufu sum- suma sume sumo sums sumu suos sus- susa suse suso suss susu suum suus uaca uaes uafa uamc uams uaoc uasa uaua ucam ucas ucca ucea uces ucfa ucmc ucom ucos ucsa ucsc ucsf ucsm ucsu ucua uefa uess ufcu uffa uffe ufms ufos umaa umac umas umec umes umff umma ummo umms umoe umsa umsu umus uocc uofa uofm uofo uomo us-a usaa usac usaf usas usca uscc usce uscf uscm usco uscs usea usee usef uses usfa usfc usfs usma usmc usme usmm usms usoc usoe usos ussa ussc usse ussf usss ussu usua usus uuoc uuuu