ffff ffps ffss floo flop flos floy flys fofo foll folo fols foly foof fool foos fopp fops foso foss foyl foys fsfo fspf fssf fssp llll lloo llps loff loll lolo lols loly loof lool loop loos lopp lops loso losp loss losy loys lpfp lppl lpss lpys lsof lspl lsso lssp lyff lyfy lyly lyo- lys- lysl lyso lyss lyyf off- offo offs offy olfs ollo olly olof olos olyf ooff oofs oofy oolo oooo ooos oops opls opo- opos oppo opps oppy opsy oslo osoo osos osso ossy osyp oyls oyly oyss pfff pfps plff ploo plop plos ploy plpp plss poff poll polo pols poly poof pool poop poos pop- popo popp pops popy poso poss posy poyo poys pplo ppos pppo pppp ppps ppsf ppss psfs psol psos pspp psps psso psy- psys pyl- pyll pyo- pyos pypy pyss s-os sfls sfos sfss sllp sloo slop slos sloy slpp slps slyp slys sofo solf soll solo solp sols soly soof sool soop soos sooy sopo sopp sops sopy soso soss soyo soys spfs splo splp spls spoo spop spos spoy sppf spps spso spsp spss spy- spys ssfl ssfp sslp ssop sspf sspl sspo ssps sssf ssss syff syfy syl- syll syls sypo syso syss ylls yoff yoll yolo yolp yoly yoof yool yoop yopo yopy yoso yoyo ypfl ysop yyff yyyy