llll lloo llps loll lolo lols loly lool loop loos lopp lops loso losp loss losy loys lppl lpss lpys lspl lsso lssp lyly lyo- lys- lysl lyso lyss ollo olly olos oolo oooo ooos oops opls opo- opos oppo opps oppy opsy oslo osoo osos osso ossy osyp oyls oyly oyss ploo plop plos ploy plpp plss poll polo pols poly pool poop poos pop- popo popp pops popy poso poss posy poyo poys pplo ppos pppo pppp ppps ppss psol psos pspp psps psso psy- psys pyl- pyll pyo- pyos pypy pyss s-os sllp sloo slop slos sloy slpp slps slyp slys soll solo solp sols soly sool soop soos sooy sopo sopp sops sopy soso soss soyo soys splo splp spls spoo spop spos spoy spps spso spsp spss spy- spys sslp ssop sspl sspo ssps ssss syl- syll syls sypo syso syss ylls yoll yolo yolp yoly yool yoop yopo yopy yoso yoyo ysop yyyy