sshs ssmc ssoc ssrc ssrm ssrs sssc sssh sssm ssss suc- succ such sucr sucs suee suer sues sueu suho suhr sum- sume sumo sums sumu suoh suor suos sur- surc sure suro surr surs suru sus- suse suso suss susu suum suus uces uche ucho uchs ucmc ucom ucos ucrc ucsc ucsm ucsu uers uess uher uhoh uhrs uhss uhuh umec umer umes umhs ummo umms umoe umor umsu umus uocc uomo uor- uore urch ure- ureh ures urho uro- urom uroo urre urrh urse urso urss ursu urum urur urus uscc usce usch uscm usco uscs usee user uses usho ushr ushs ushu usmc usme usmm usms usoc usoe usos ussc usse ussr usss ussu usus uuoc uuuu