ssmc ssrc ssri ssrm ssrs sssc sssh sssi sssm ssss suc- succ such suci sucr sucs sudd sudh sudi suds suhi suhr suid suir suis sum- sumd sumi sums sumu sumy sur- surc surd suri surr surs suru sury sus- susd susi suss susu susy suum suus suyi suyr suyu sych sycr sydi syds syis sym- symi syms syrs syry syss ucci ucdc ucdd uchi uchs ucmc ucrc ucsc ucsd ucsm ucsu uddi udds udic udid udim udir udmc udsd uh-d uhid uhrs uhry uhss uhuh uims uirr uisd umhs umms umri umsu umus urch urci urcy urds urdu urdy uric urim uris uriu urmi urrh urri urry ursi urss ursu ursy urum urur urus uscc usch uscm uscs usdc usdm usds ushi ushr ushs ushu usim usis usmc usmd usmm usms ussc ussr usss ussu ussy usui usus uuri uusi uuuu uyir yccc ycch yhid yhis yhud yhyd yidi yids yidu yird yirm yirr yiss yiud ymci ymir ymur ymyd ysii yssh yssu yudh yudu yuhi yumi yurd yuri yury yush yuyu yyyy