ffff ffrr ffss fftf flts fluf flur flus fluy flys flyt frst frys fssf ft-l ftfy ftrs ftsr fuff fufu full fuls fulu fur- furl furr furs furt fury fuss fust fusu futs futu fuyl fuyt fuyu fyrs fyry lfts llll llyr lrrr lrry lrst lrts ls-r lssr lsts ltrs ltsr lttr ltyr luff luft lufu lull lulu lurs lurt lury luss lust luts luys luyt lyff lyft lyfy lyly lys- lysl lyss lyst lytt lyyf rffl rlls rlys rrrr rssl rsts rstu rtls rtlt rtss rtts ruff ruft rull ruly rurs ruru russ rust rusu rusy rutl ruts rutt rutu ruty ruyl ruys ryff ryft rysy rytt ryyf ryyt sfls sfss sfsu sfts slft slrs slst slsu slts slur slut slys srtr ssfl sslt ssrl ssrs sssf ssss sstl ssts stfu stlt strs stru stry stsf stss sttr stuf stul stur stus stut stuy styf styl styr stys suf- suff sufr sufs sufu sul- sulf sull sult sulu sur- surf surr surs surt suru sury sus- suss sust susu susy sutu suty suus suyr suyu syff syfy syl- syll syls sylt syrs syrt syry syss syst sytt tfrs tfss tlrs trfr trst trtr trus trut truu try- trys tsfl tssf tssr tsst tsts tsys ttff ttss tttt ttul ttyl ttys tuff tuft tufu tull tulu tuly turf turr turs turt turu tury tuss tust tutl tuts tutt tutu tuty tuyl tuys tyff tyft tyl- tyll tyr- tyrf tyrl tyrr tyss tyst tytt tyty tyus ulft ullr ully ults ultt ulul ulus ulys urff urft urls urry urss ursu ursy urts urur urus urut usfl usfs uslu ussf ussr usss usst ussu ussy usts usul usus utsl uttu uulu uutf uuuu uyts ylls yrly yssu yuff yuft yufu yuls yulu yurt yury yust yutu yuty yuyu yyff yyyy