-ol fff ffl ffm ffo ffr ffs ffu flf fll flm flo flr fls flu fmf fml fmm fmo fmr fms fmu fof fol fom foo for fos fou frf frl frm fro frr frs fru fsf fsl fsm fso fsr fss fsu fuf ful fum fuo fur fus fuu lff lfl lfm lfo lfr lfs lfu llf lll llm llo llr lls llu lmf lml lmm lmo lmr lms lmu lof lol lom loo lor los lou lrf lrm lro lrr lrs lru lsf lsl lsm lso lsr lss lsu luf lul lum luo lur lus luu m-f m-o m-r mff mfl mfm mfo mfr mfs mfu mlf mll mlm mlo mlr mls mlu mmf mml mmm mmo mmr mms mmu mof mol mom moo mor mos mou mrf mrl mrm mro mrr mrs mru msf msl msm mso msr mss msu muf mul mum mur mus muu of- off ofl ofm ofo ofr ofs ofu olf oll olm olo ols olu om- omf oml omm omo omr oms omu oo- oof ool oom ooo oor oos or- orf orl orm oro orr ors oru os- osf osl osm oso osr oss osu ou- ouf oul oum ouo our ous rff rfl rfm rfo rfr rfs rfu rlf rll rlm rlo rlr rls rlu rmf rml rmm rmo rmr rms rof rol rom roo ror ros rou rrf rrl rrm rrr rrs rru rsf rsl rsm rso rsr rss rsu ruf rum ruo rur rus ruu sff sfl sfm sfo sfr sfs sfu slf sll slm slo slr sls slu smf sml smm smo smr sms smu sof sol som soo sor sos sou sr- srf srl srm sro srr srs ss- ssf ssl ssm sso ssr sss ssu suf sul sum suo sur sus suu uff ufl ufm ufo ufr ufs ufu ulf ull ulm ulo ulr uls ulu um- umf uml umm umo umr ums umu uol uom uoo uor uos ur- urf url urm uro urr urs uru usf usl usm uso usr uss usu uum uur uus uuu

-ous ffff ffrr ffss flom floo flor flos flou fluf flum fluo flur flus fmsr fmss fofo foll folo folr fols fomo foof fool foom foos for- forl form foro forr fors foso foss foul four fous frol from fros frou frsm frso frum fsfo fssf fuff fufu full fuls fulu fumo fums fuor fur- furl furm furo furr furs fuso fuss fusu lfmr llll llms lloo lmfm lmmr lmms lmrs lmsr loff loll lolo lols lomm lomo loms lomu loof lool loom loor loos loro lors loso loss loul loum lour lous louu lrrr lrsm ls-r lsof lsso lssr luff lufu lull lulu lumo lums lurs luso luss mfor mfou mfrs mlrs mlss mmff mmmm mmms mmor mmrf mmsu mmus moff mofo mofu moll molo molr mols momo moms momu mool moor moos morf morl moro mors moru moso moss mosu mouf moul mour mous mrls mrml mrsl msff msfs msml msmm msms msmu msol msor mssf mssm mssr msus muff mufu mull mulm mulo mulu mumm mumo mums mumu muos murl muro murr murs muru musl muso muss musu off- offo offr offs offu ofml ofor ofus olfs ollo olmo olms olof olom olor olos olur omo- omoo omor omro omul omuo omus ooff oofs oolo ooms oooo ooos oous orff orfs orfu orlo orlu ormo oro- orof orom oror oros orro orrs orso orsu orum orus oslo osm- osmo osoo osor osos osro osso ossu osul osum ouff ouls oulu our- ouro ours ouu- rffl rlls rlml rlms rmll roff rofl rofo rolf roll rolm rolo romm romo roms roof rool room roor roos roro roru roso ross rouf roul roum rous rrrr rrum rsml rsos rssl rsum ruff rufo rull rulo ruml rumm rumo rums ruro rurs ruru ruso russ rusu s-os sfls sfmm sfor sfos sfro sfss sfsu sllm slmm sloo slos slrs slsu slum slur smls smof smol smos smrf smss smur smus sofo solf soll solo solr sols soml somm somo soof sool soom soor soos sorm soro sorr sors soru soso soss souf soul soum sour sous sros ssfl ssml ssrl ssrm ssrs sssf sssm ssss suf- suff sufr sufs sufu sul- sulf sull sulm sulo sulu sum- sumo sums sumu suor suos sur- surf suro surr surs suru sus- suso suss susu suum suus ufms ufos ullo ullr ulmo ulmu ulo- ulos ulul ulum ulus umff ummo umms umol umor umsu umus uofl uofm uofo uoml uomo uor- urff urls uro- urol urom uroo urso urss ursu urum urur urus usfl usfs uslu usmm usms usos ussf ussr usss ussu usul usus uulu uuuu

-form floom floor floro floru floss floum flour fluff flumm flums fluo- fluor flurr fluss fmllr fmmul fmous fofos fofum follo fomor fools form- forms foros forro forso forss forum forur forus fouls fourm fouro fours fromm froom fu-fu fuffs fullf fullo fulls furls furo- furor furrs furus fuso- fusor fusus llrrs lofos lofou lollo lolls lolol lolos lools looms loosu lorom loros lorum louro lours louss luffs lulls lulom lulul lulus lumos lumus luso- lusso lusum lusus m-flo mmmmm moffo mofus mollo molls mollu molor molos molus momlu momos momus mooll moolu mooro moors morfs morfu mormo moror moros morou morro morso morss morum morus mosor mosso mosul mosuo moufs moulu mours mrmom mrmos mroof mrorr muffs mullo mulls mulur mumlu mummu murlo murol murom muror muros murro murru murum murus musos musou musso musul offof oflos ofosu ofour ofrum olfus ollur olmos olomu olour olous olumu omoro omuls omulu ooooo orfor orful orlos ormur ormus orolu oromo oroso orosu orrum oruro osmo- osmol osmos ososo ossos ossur osusu oullo ouoro ourol ro-ro rofor rolfo rolfs rollo rolls rolmo rolos romfo romfs romos roofs rooms roomu rosfm rosmo rosol rosso rosss rosu rosum roull roumm rsssf ruffo ruffs rufo- rufol rufus rullo rummo rummu rumor rumos ruoms ruomu rus-m rusor russo s-o-r sfouf sloff slomo slomr sloom sloor sloos slorm sloss slour sluff