doof dool door doos doot dorc dord dorf doro dorr dors dort doru doso doss dost dotd doto dots dott douc doud douf doul dour dous dout drfc drod drof drol drot drou drrs drus drut druu dscc dscr dscs dsdr dsfc dsls dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtfc dtor dtot dtrl dtss duco ducs duct dudd dudo duds dudu dufc duff dufu dulc dull dulo dult dulu duo- duos duro durt duru dust duts duul duur duut fccf fcds fcot fcsc fcsl fcst fcto fdlr fdoc fdos fdot fdst fdtc fdtl ffcc ffff ffrr ffss fftf flcl fldr floc flod floo flor flos flot flou flts flud fluf fluo flur flus foco focs fofo folc fold foll folo folr fols folt food foof fool foos foot for- ford forl foro forr fors fort foso foss fost foto fots fott foud foul four fous fout frcc frfc frol fros frot frou frsc frso frst fscc fsfo fssc fssf ft-c ft-l ftcd ftfc ftos ftrs ftsr ftuc fuc- fuct fudd fufc fuff fufu full fuls fulu fuor fur- furl furo furr furs furt fusc fusd fuso fuss fust fusu futo futs futu lccc lccs lcdd lcdr lcds lcfc lcfr lcls lcor lcrd lcrl lcrs lcsc lcsd lcsr lctl lcto lcts ldcf ldls ldos ldrs lfcc lfrd lfts llcc llcs lldc llds lllc llll lloc llod lloo llud locc loco locs locu lods loff loft lold loll lolo lols looc lood loof lool loor loos loot lord loro lors losc loso loss lost lotd lotl loto lotr lots lott loud loul lour lous lout louu lrcs lrdd lrds lrfc lroc lrrc lrrr lrst lrts ls-r lsco lscs lsds lsfc lsof lsrc lsso lssr lsts ltcc ltcs ltds ltfc ltrs ltsr lttc lttr ltuc lucs ludd ludo luff luft lufu lull lulu lurd lurs lurt luso luss lust luts occc occt ocds oclc ocos ocrl ocro ocrr ocrs oct- octo octs ocul ocur oddd odds odoo odor odos odot odou odrl odso odts odtu odur odus ofcl ofcr ofdr off- offc offo offr offs offu ofor ofst ofus olcc olds olfs ollo olof olor olos olot olst oltu olur oocr ooff oofs oold oolo oooo ooos oord oort oost oots oous orco orcs ordo ords ordu orff orfs orfu orlo orlu oro- orof oror oros orot orro orrs orso orsu ortc orto orts orus oscc oscl osco oslo osoo osor osos osrd osro ossd osso ossu ostc ostr osts osul otcd otcl otfc oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc oudc ouds oufc ouff ould ouls oulu our- ouro ours ourt ousd oust out- outo outs ouu- rccc rccs rcdc rcds rcfc rcls rcos rcrd rcsc rcsd rcsl rcss rctc rcts rdoc rdos rdso rfds rffc rffl rftc rlcs rlds rldt rlls rocc roco rocs rodd rodo rods rofc roff rofl rofo rold rolf roll rolo rolt rood roof rool roor roos root rorc roro rort roru rosc roso ross rost rotc rotl roto rotr rots rott roud rouf roul rous rout rrfc rrrr rscc rscs rsdd rsdl rsds rsfc rslc rsos rssl rsts rstu rtcc rtdt rtfc rtls rtlt rtss rtts ruct rudd rudl rudo ruds rufc ruff rufo ruft rull rulo rurc rurd ruro rurs ruru ruso russ rust rusu rutl ruto ruts rutt rutu ruud s-os sccc sccl sccs scct scdc scdf scds scfc scl- sclc scls scol scoo scor scot scr- scrc scrs scsc scsd scsl scso scsr scst scsu sctc sctd sctl scto sctr scts scud scul scur scut sdcc sdco sddc sdds sdfc sdlc sdls sdlt sdot sdrc sdrs sdsc sdsf sdsl sdss sdsu sfcc sfco sfcs sfdc sffc sflc sfls sfor sfos sfrc sfro sfss sfsu sfts slcc slcd slcu slds slft sloc slod sloo slos slot slrc slrs slsc slst slsu slts sluc slud slur slut socl soco socr socs sodd sodo sods sodu sofo soft sold solf soll solo solr sols solt sood soof sool soor soos soot sord soro sorr sors sort soru soso soss sost sotc sotl soto sots sotu soud souf soul sour sous sout srcc srct srfc sros srsd srtr sscc sscs ssdc ssdd ssdf ssfc ssfl sslc sslt ssoc ssot ssrc ssrl ssrs sssc sssf ssss sstc sstd sstl ssts stcc stcs stcu stds stfc stfu stlc stld stlo stlt stod stof stol stoo stor stos stot stou strc strd stro strs stru stsf stss sttc sttd sttr stuc stud stuf stul stur stus stut suc- succ sucr sucs sudd sudo suds suf- sufc suff sufr sufs sufu sul- sulc suld sulf sull sulo sult sulu suor suos sur- surc surd surf suro surr surs surt suru sus- susd suso suss sust susu suto sutu suus tccc tccu tcdd tcfc tcos tctc tcts tcul tdff tdls tdor tdss tfcu tfdc tfot tfrs tfsd tfss tftc tlco tldr tlos tlrs toco todd todo tods todt todu toff tofo toft tofu tol- told toll tolo tolt tolu tood toof tool toor toos toot torc tord torf toro torr tors tort toru tosc toso toss tost tosu totc totd toto totr tots tott toul tour tous tout trcc trcl trfc trfd trfr troc trod troo tros trot trou trsd trst trtc trtr truc trud trus trut truu tscc tsfc tsfl tsol tsos tsou tssf tssr tsst tstc tsts ttfc ttff ttss tttt ttul tucc tuco tudu tufc tuff tufo tuft tufu tull tulo tulu tuor tuos turc turd turf turo turr turs turt turu tusc tusd tuss tust tutl tuto tuts tutt tutu tuuo ucdc ucdd ucos ucrc ucsc ucsd ucsf ucst ucsu ucut udds udoo udos udot udsd udsl udts ufcu ufos ulcc ulco ulft ullo ullr ulo- uloc ulos ulto ults ultt ulul ulus uocc uofl uofo uolc uor- urds urdu urff urft urls uro- urol uroo urso urss ursu urts urur urus urut uscc uscf usco uscs usdc usdf usdl usdo usds usdt usfc usfl usfs uslu usoc usos ussc ussf ussr usss usst ussu ustc usto