-ol fff ffl ffo ffr ffs fft ffu ffx flf fll flo flr fls flt flu flx fof fol foo for fos fot fou fox frf frl fro frr frs frt fru fsf fsl fso fsr fss fst fsu fsx ftf ftl fto ftr fts ftt ftu ftx fuf ful fuo fur fus fut fuu fux fxr fxs fxt fxu fxx lff lfl lfo lfr lfs lft lfu lfx llf lll llo llr lls llt llu lof lol loo lor los lot lou lox lrf lro lrr lrs lrt lru lsf lsl lso lsr lss lst lsu ltf ltl lto ltr lts ltt ltu ltx luf lul luo lur lus lut luu lux lxo lxr lxx of- off ofl ofo ofr ofs oft ofu ofx olf oll olo ols olt olu oo- oof ool ooo oor oos oot oox or- orf orl oro orr ors ort oru orx os- osf osl oso osr oss ost osu osx ot- otf otl oto otr ots ott otu ou- ouf oul ouo our ous out ox- oxf oxo oxt oxx rff rfl rfo rfr rfs rft rfu rlf rll rlo rlr rls rlt rlu rof rol roo ror ros rot rou rox rrf rrl rrr rrs rrt rru rsf rsl rso rsr rss rst rsu rsx rtf rtl rto rtr rts rtt rtu rtx ruf ruo rur rus rut ruu rux rxr rxs sff sfl sfo sfr sfs sft sfu sfx slf sll slo slr sls slt slu slx sof sol soo sor sos sot sou sox sr- srf srl sro srr srs srt srx ss- ssf ssl sso ssr sss sst ssu ssx stf stl sto str sts stt stu stx suf sul suo sur sus sut suu sux sxl sxs sxt sxu t-x tff tfl tfo tfr tfs tft tfu tfx tlf tll tlo tlr tls tlt tlu tlx to- tof tol too tor tos tot tou tox trf trl tro trr trs trt tru trx tsf tsl tso tsr tss tst tsu tsx ttf ttl tto ttr tts ttt ttu ttx tuf tul tuo tur tus tut tuu tux txf txl txs txt txu uff ufl ufo ufr ufs uft ufu ufx ulf ull ulo ulr uls ult ulu uol uoo uor uos uot uox ur- urf url uro urr urs urt uru urx usf usl uso usr uss ust usu usx utf utl uto utr uts utt utu utx uur uus uut uuu uxf uxo uxr uxt uxu xfl xfs xft xfx xlf xlr xls xlt xof xoo xor xos xot xox xrf xrt xrx xsl xss xst xtf xtr xts xtx xul xus xxl xxo xxx

-ous ffff ffrr ffss fftf floo flor flos flot flou flox flts fluf fluo flur flus flux fofo foll folo folr fols folt folx foof fool foos foot for- forl foro forr fors fort foso foss fost foto fots fott foul four fous fout foxx frol fros frot frou frso frst fsfo fssf ft-l ftos ftrs ftsr fuff fufu full fuls fulu fuor fur- furl furo furr furs furt fuso fuss fust fusu futo futs futu fuxl lfts llll lloo loff loft loll lolo lols loof lool loor loos loot loro lors loso loss lost lotl loto lotr lots lott loul lour lous lout louu loux lox- loxo lrrr lrst lrts ls-r lsof lsso lssr lsts ltrs ltsr lttr luff luft lufu lull lulu lurs lurt luso luss lust luts luxo lxxx off- offo offr offs offu ofor ofst ofus olfs ollo olof olor olos olot olst oltu olur olux ooff oofs oolo oooo ooos oort oost oots oous orff orfs orfu orlo orlu oro- orof oror oros orot orro orrs orso orsu orto orts orus oslo osoo osor osos osro osso ossu ostr osts osul oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouff ouls oulu oulx our- ouro ours ourt oust out- outo outs ouu- oxo- oxof oxos oxox oxuf oxus oxxo rffl rlls roff rofl rofo rolf roll rolo rolt roof rool roor roos root roox roro rort roru roso ross rost rotl roto rotr rots rott rouf roul rous rout roux roxo rrrr rsos rssl rsts rstu rtls rtlt rtss rtts ruff rufo ruft rull rulo ruro rurs ruru ruso russ rust rusu rutl ruto ruts rutt rutu s-os sfls sfor sfos sfro sfss sfsu sfts slft sloo slos slot slrs slst slsu slts slur slut sofo soft solf soll solo solr sols solt soof sool soor soos soot soro sorr sors sort soru soso soss sost sotl soto sots sotu souf soul sour sous sout soxs sros srtr ssfl sslt ssot ssrl ssrs sssf ssss sstl ssts stfu stlo stlt stof stol stoo stor stos stot stou stox stro strs stru stsf stss sttr stuf stul stur stus stut stux suf- suff sufr sufs sufu sul- sulf sull sulo sult sulu suor suos sur- surf suro surr surs surt suru sus- suso suss sust susu suto sutu suus sux- suxt tfot tfox tfrs tfss tlos tlrs tltx toff tofo toft tofu tol- toll tolo tolt tolu toof tool toor toos toot torf toro torr tors tort toru torx toso toss tost tosu tosx toto totr tots tott toul tour tous tout tox- toxo toxs toxt trfr troo tros trot trou trox trst trtr trus trut truu trux tsfl tsol tsos tsou tssf tssr tsst tsts ttff ttss tttt ttul tuff tufo tuft tufu tull tulo tulu tuor tuos turf turo turr turs turt turu tuss tust tutl tuto tuts tutt tutu tuuo tuxl tuxs txtr ufos ufxs ulft ullo ullr ulo- ulos ulto ults ultt ulul ulus uofl uofo uor- urff urft urls uro- urol uroo urox urso urss ursu urts urur urus urut usfl usfs uslu usos ussf ussr usss usst ussu usto usts usul usus utfo utor utsl utto uttu uulu uutf uuuu uxor uxul uxus xlox xolo xoro xors xosl xout xoxo xslt xtol xtro xtsr xtul xurs xuxu xxxo xxxx

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