fff ffm ffo ffr ffs fft ffu fmf fmm fmo fmr fms fmt fmu fof fom foo for fos fot fou frf frm fro frr frs frt fru fsf fsm fso fsr fss fst fsu ftf ftm fto ftr fts ftt ftu fuf fum fuo fur fus fut fuu m-f m-o m-r mff mfm mfo mfr mfs mft mfu mmf mmm mmo mmr mms mmt mmu mof mom moo mor mos mot mou mrf mrm mro mrr mrs mrt mru msf msm mso msr mss mst msu mtf mtm mto mtr mts mtt mtu muf mum mur mus mut muu of- off ofm ofo ofr ofs oft ofu om- omf omm omo omr oms omt omu oo- oof oom ooo oor oos oot or- orf orm oro orr ors ort oru os- osf osm oso osr oss ost osu ot- otf otm oto otr ots ott otu ou- ouf oum ouo our ous out rff rfm rfo rfr rfs rft rfu rmf rmm rmo rmr rms rmt rof rom roo ror ros rot rou rrf rrm rrr rrs rrt rru rsf rsm rso rsr rss rst rsu rtf rtm rto rtr rts rtt rtu ruf rum ruo rur rus rut ruu sff sfm sfo sfr sfs sft sfu smf smm smo smr sms smt smu sof som soo sor sos sot sou sr- srf srm sro srr srs srt ss- ssf ssm sso ssr sss sst ssu stf stm sto str sts stt stu suf sum suo sur sus sut suu tff tfm tfo tfr tfs tft tfu tmf tmm tmo tmr tms tmt tmu to- tof tom too tor tos tot tou trf trm tro trr trs trt tru tsf tsm tso tsr tss tst tsu ttf ttm tto ttr tts ttt ttu tuf tum tuo tur tus tut tuu uff ufm ufo ufr ufs uft ufu um- umf umm umo umr ums umt umu uom uoo uor uos uot ur- urf urm uro urr urs urt uru usf usm uso usr uss ust usu utf utm uto utr uts utt utu uum uur uus uut uuu

-ous ffff ffrr ffss fftf fmsr fmss fofo fomo fomt foof foom foos foot for- form foro forr fors fort foso foss fost fotm foto fots fott four fous fout from fros frot frou frsm frso frst frum fsfo fssf ftos ftrs ftsr fuff fufu fumo fums fuor fur- furm furo furr furs furt fuso fuss fust fusu futo futs futu mfor mfou mfrs mftf mmff mmmm mmms mmor mmrf mmst mmsu mmts mmus moff mofo mofu momo moms momu moor moos moot morf moro mors mort moru moso moss most mosu motm moto mots mott motu mouf mour mous mout mrtm mrts mrtt msff msfs msft msmm msms msmu msor msrt mssf mssm mssr msst mstr msts msus mtff mtom mtor mtrr mtss mtst mttr mtts muff mufu mumm mumo mums mumu muos muro murr murs murt muru muso muss must musu muto muts mutt mutu muut off- offo offr offs offu ofor ofst ofus omo- omoo omor omro omuo omus ooff oofs ooms oooo ooos oort oost oots oous orff orfs orfu ormo oro- orof orom oror oros orot orro orrs orso orsu orto orts orum orus osm- osmo osoo osor osos osro osso ossu ostr osts osum oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouff our- ouro ours ourt oust out- outo outs ouu- rmst rmtu roff rofo romm romo roms roof room roor roos root roro rort roru roso ross rost roto rotr rots rott rouf roum rous rout rrrr rrum rsos rsts rstu rsum rtfm rtms rtss rtts ruff rufo ruft rumm rumo rums rumt ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sfmm sfor sfos sfro sfss sfsu sfts smof smos smot smrf smrt smss smtu smur smus smut sofo soft somm somo soof soom soor soos soot sorm soro sorr sors sort soru soso soss sost sotm soto sots sotu souf soum sour sous sout sros srtr ssot ssrm ssrs sssf sssm ssss ssts stfu stms stmt stof stom stoo stor stos stot stou stro strs stru stsf stsm stss sttr stuf stum stur stus stut suf- suff sufr sufs sufu sum- sumo sums sumu suor suos sur- surf suro surr surs surt suru sus- suso suss sust susu suto sutu suum suus t-mo tfot tfrs tfss tmos tmou tmro tmtt toff tofo toft tofu tomm tomo toms tomt toof toom toor toos toot torf torm toro torr tors tort toru toso toss tost tosu totm toto totr tots tott toum tour tous tout trfm trfr trms trmu trom troo tros trot trou trst trtr trus trut truu tsfm tsom tsos tsou tssf tssm tssr tsst tstm tsts tsum ttff ttms ttss tttt tuff tufm tufo tuft tufu tums tumu tuor tuos turf turm turo turr turs turt turu tusm tuss tust tuto tuts tutt tutu tuum tuuo ufms ufos umff ummo umms umor umsu umts umus umut uofm uofo uomo uor- urff urft uro- urom uroo urso urss ursu urts urum urur urus urut usfs usmm usms usos ussf ussr usss usst ussu ustm usto usts usus utfo utor utto uttu uutf uuuu

-form fmous fofos fofum fomor foots form- forms foros forro forso forss forst forto forts forum forur forus fotos fotur fotus fourm fouro fours foust fouts fromm froom froot frost frots frust fruto ftmts ftrtt fu-fu fuffs furo- furor furrs furst furus fuso- fusor fusts fusus futom futsu futur mmmmm moffo mofus momos momot momus mooro moors moost mooto moots morfs morfu mormo moror moros morou morro morso morss morts morum morus morut mosor mosso mosts mosuo moto- motor motos motrs motru motso motss motsu motto motts mottu moufs mours moust mrmom mrmos mroof mrorr mt-tf mt-tm mt-tr mt-tt mtfmt mtoto muffs mummu murom muror muros murot murro murru murum murus murut musos musou musso musto musts mustu muto- mutso mutsu mutts mutum mutuo mutus muuto offof offto ofosu ofoto