llll lloo loll lolo lols loly lool loos loot loso loss lost losy lotl loto lots lott loys lsso lsts lyly lyo- lyot lys- lysl lyso lyss lyst lyto lytt ollo olly olos olot olst oolo oooo ooos oost oots ooty oslo osoo osos osso ossy osts osyt oto- otoo otos otoy otso otto otts oyls oyly oyss oyst s-os sloo slos slot sloy slst slts slys soll solo sols solt soly sool soos soot sooy soso soss sost sotl soto sots soyo soys soyt sslt ssot ssss sstl ssts stlo stlt stol stoo stos stot stoy stss styl stys syl- syll syls sylt syso syss syst sytt tlos to-y tol- toll tolo tolt toly tool toos toot toso toss tost tosy toto tots tott toty toyl toyo toys toyt tsol tsos tsoy tsst tsts tsys ttoy ttss tttt ttyl ttys tyl- tyll tylo tyss tyst tyto tytt tyty ylls yoll yolo yoly yool yoot yoso yost yott yoyo yyyy