sills silpi siner sines sinis sinni siper sipes siple sippe sippi sipsi siree sireh sirel siren sires sirih sirin siris sirse sirsi sisel siser sises sisil sisis sisle sisli sisne sissi sleen sleep sleer sleih slepe sleps slerp sless slier slies sline slip- slipe slips slirp slish sliss sneer snees sneir snell snepe sneps snerp snese snies snils snipe snipp snips snirl snish snrnp speel speen speer spees speir spele spell spene spens spere speri sperl spern sperr spesh sphee sphen spher spiel spier spies spile spili spill spin- spine spins spir- spire spirr spise spiss splen splsh spner spree spres srnin srsen ssies ssssh sssss