s-os sbbs sbcc sbcs sbhc sbhs sbmc sbml sbor sbus sccc sccl sccm sccs sch- schh schl scho schr schs scl- sclc sclm scls scmc scmm scmo scms scob scoh scol scom scoo scor scr- scrc scrs scsc scsh scsl scso scsr scsu scub scul scum scur shbm shbs shcc shhh shhs shl- shls shm- shmo shom shoo shor shos shou shrs shsc shub shul shum shur shus shuu slcc slcu slhs sllm slmm slob sloc sloh sloo slos slrc slrs slsc slsu slub sluc slum slur smbc smbh smcc smch smhs smlc smls smoc smol smos smsc smsh smss smur smus sobo sobr sobs sobu soch socl socm soco socr socs sohh sohl sohm soho sohs sohu solh soll solo solr sols somb soml somm somo sool soom soor soos sorb sorh sorm soro sorr sors soru sosh soso soss soul soum sour sous srbc srcc srch srhs srmc sros srub ssbr sscc sscs sshl sshs sslc ssmc ssml ssoc ssrc ssrl ssrm ssrs sssb sssc sssh sssm ssss sub- subb subh subl subm subo subs suc- succ such sucr sucs suhb suhl suho suhr sul- sulc sulh sull sulm sulo sulu sum- sumo sums sumu suoh suor suos sur- surc suro surr surs suru sus- suso suss susu suum suus ubbo ublo ubls uboc ubos ucbc ucho uchs ucmc ucom ucos ucrc ucsb ucsc ucsm ucsu uhcl uhoh uhrs uhss uhuh ulbc ulcc ulch ulco ullo ullr ulmo ulmu ulo- uloc ulos ulul ulum ulus umb- umbo umhs ummo umms umol umor umsu umus uocc uolc uoml uomo uor- urbs urch urho urls uro- urol urom uroo urrh urso urss ursu urum urur urus usbc usbl usbr usbs uscc usch uscm usco uscs usho ushr ushs ushu uslu usmc usmm usms usoc usos ussb ussc ussr usss ussu usul usus uulu uuoc uuuu