sels sene seni senn seno senr sens seoi seol seon sere serf seri sern sero serr sers sese sesi seso sess sfer sfio sfls sfne sfor sfos sfro sfss sief siel sien sier sies sife siff sifl sifo sifr sil- sile silf sili sill silo sils sine sini sinn sino sins sioe siol sion sior sios sire sirf siri siro sirr sirs sise sisi siss sl-i slee sler sles slie slir slln sloe slon sloo slos slre slrn slrs snee snel sner snes snie snir snlf snns snoo snor snos snrs soel soen soeo soes sofi sofo soie soif soil soin soir sois sole solf soli soll soln solo solr sols son- sone soni sono sons soof sool soon soor soos sore sori sorn soro sorr sors sose sosi soso soss sreo sres srfi sris srni srnn srno sros ssee sses ssfl ssin ssis ssle ssns ssri ssrl ssrs sssf sssi ssss