ssis sslc ssmc ssml ssoc ssrc ssri ssrl ssrm ssrs sssc sssi sssm ssss suc- succ suci sucr sucs suio suir suis sul- sulc suli sull sulm sulo sulu sum- sumi sumo sums sumu suor suos sur- surc suri suro surr surs suru sus- susi suso suss susu suum suus ucci ucil ucio ucmc ucom ucos ucrc ucsc ucsm ucsu uiml uims uirr ulcc ulco ulic ulim ulli ullo ullr ulmi ulmo ulmu ulo- uloc ulos ulul ulum ulus ummo umms umol umor umri umsu umus uocc uolc uoml uomo uor- urci uric urim uris uriu urls urmi uro- urol urom uroo urri ursi urso urss ursu urum urur urus uscc uscm usco uscs usim usis uslu usmc usmm usms usoc usoi usos ussc ussr usss ussu usui usul usus uulu uuoc uuri uusi uuuu