siren sires sirin siris sirly sirpy sirse sirsi sirsy siryn sisel siser sises sisil sisis sisle sisli sisne sissi sissy siyin sleen sleep sleer slely slepe sleps slepy slerp sless sleys slier slies slily sline slip- slipe slips slirp sliss slyer slyly slyne slype slyre slyrs sneer snees sneir snell snepe sneps snerp snese snies snils snipe snipp snips snipy snirl snrnp snyes speel speen speer spees speir spele spell spene spens spere speri sperl spern sperr spery speye speyr speys spiel spier spies spile spili spill spin- spine spins spiny spir- spire spirr spiry spise spiss splen spley spner spree spres sprey sprye spyer spyne spyre spyri spyrr spyse srnin srsen srsly ssies sssss syell syelp syene syens syles sylis sylls syney synle synne synpr synse synys syper sypin syren syres syrie syser sysle sysse y-snp ye-es ye-ni ye-ye yeees yeele yeeps yeere yeers yeesy yeire yeles yelle yelli yells yelps yelpy yenen yener yenin yenis yenne yenny yepes yeply yeren yeres yerle yerli yerne yerns yerri yerse yes-r yeses yesil yesse yesss yeyn- yeyre yills yipee yipes yippy yiren yisel yisse yleie ylene ylepe ylere yleye ylipe ynner ypres ypyll yrene yrnen ysell yseye ysnes yssel ysyle yyrne