siri siro sirp sirr sirs sisc sise sisi siss sl-i slcc slee slep sler sles slic slie slip slir slln sllp sloc sloe slon sloo slop slos slpi slpp slps slrc slre slrn slrp slrs slsc sncc snco sncp snee snel snep sner snes snie snip snir snns snoc snoo snop snor snos snpo snpp snrs soce soci socl soco socr socs soec soel soen soeo soep soes soic soie soil soin soir sois sole soli soll soln solo solp solr sols son- sone soni sono sons sool soon soop soor soos sope sopi sopo sopp sops sore sori sorn soro sorr sors sose sosi soso soss spcc spco spcs spec spee spel spen sper spes spic spie spin spio spip spir spis splc sple splo splp splr spls spne spns spoc spon spoo spop spor spos spps spri spro sprs spse spso spsp spss srcc srec sreo sres sris srni srnn srno sros srpc srps srsp sscc ssce ssci sscp sscs ssec ssee ssep sses ssin ssis sslc ssle sslp ssns ssoc ssop sspc sspe sspl sspo ssps ssrc ssri ssrl ssrs sssc sssi ssss