sfro sfss sief siel sier sies sife siff sifl sifo sifr siim sil- sile silf sili sill silo sils sime simi simm simo sims sioe siol sior sios sire sirf siri siro sirr sirs sise sisi siss sl-i slee slem sler sles slie slim slir sllm slmm sloe sloo slos slre slrs smee smei smie smif smil smis smle smls smof smol smos smrf smss soel soem soeo soes sofi sofo soie soif soil soim soir sois sole solf soli soll solo solr sols some somi soml somm somo soof sool soom soor soos sore sori sorm soro sorr sors sose sosi soso soss srem sreo sres srfi srim sris sros ssee ssem sses ssfl ssis ssle ssml ssri ssrl ssrm ssrs sssf sssi sssm ssss