sois son- sond soni sono sons sonu sood soon soor soos sord sori sorn soro sorr sors soru sosi soso soss soud soun sour sous srcc sris srni srnn srno sros srsd sscc ssci sscs ssdc ssdd ssid ssin ssis ssns ssoc ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs sudd sudi sudo suds suid suin suio suir suis sun- sund suni sunn suno suns sunu suor suos sur- surc surd suri surn suro surr surs suru sus- susd susi suso suss susu suus ucci ucdc ucdd ucin ucio ucon ucos ucrc ucsc ucsd ucsu uddi udds udic udid udin udir udon udoo udos udsd udun uirr uisd uncc unci unco uncs undi undo unds uni- unic unii unin unio unir unis unni unno unns unon unos unro unrs uns- unsc unso unus uocc uor- urci urds urdu uric urin uris uriu urni urns uro- uroo urri ursi urso urss ursu urun urur urus uscc usco uscs usdc usdo usds usin usis usnc usno usnr usnu usoc usoi usos ussc ussr usss ussu usui usun usus uuni uuno uuoc uuri uusi uuuu