-ous dddd ddot ddss ddts dfds dfdt dfts dntt dnus dnut dod- dodd dodo dods doff dond donn dono dons dont dood doof doon doos doot doso doss dost dotd doto dots dott doud douf doun dous dout dsos dssn dsst dstn dsto dsts dtot dtss dudd dudo duds dudu duff dufu dunn duno duns dunt duo- duon duos dust duts duut fdos fdot fdst ffff ffss fftf ffun fndd fndn fnuf fofo fond fono fons font food foof foon foos foot foso foss fost foto fots fott foud foun fous fout fsfo fssf ftos fudd fuff fufu fund funf funs funt fusd fuso fuss fust fusu futo futs futu nddo ndnt ndos ndsf ndss ndut nfff nfon nfsu nfto nnnn nnos nnot nnss nntn nodo nods nodu non- nonn nono nons nont nonu noo- noon nooo noos noot nos- noss nost nosu not- noto nots nott noun nous nout nsdf nsds nsdt nsfs nsof nsos nsou nssf nsso nsss nstd nsts nstu ntds ntfs ntnd ntnu ntof ntsf ntss ntsu ntto nudd nudo nuff nunn nuno nuns nunt nuon nuss nust nusu nuts nutt nutu oddd odds odon odoo odos odot odou odso odts odtu odus off- offo offs offu ofno ofst ofus ondo onno onod onon onos onso onst ont- onto onus onut ooff oofs oons oont oooo ooos oost oots oous osno osoo osos ossd osso ossu osts osun oto- otof oton otoo otos otso otsu otto otts ottu otus ouds ouff oun- ound ousd oust out- outo outs ouu- s-os sdds sdot sdsf sdss sdsu sfnt sfos sfss sfsu sfts snfu snns snod snoo snos snot snsd snus sodd sodo sods sodu sofo soft son- sond sono sons sont sonu sood soof soon soos soot soso soss sost sotn soto sots sotu soud souf soun sous sout ssdd ssdf ssns ssot sssf ssss sstd ssts stds stfn stfu stnd stnn stns stod stof ston stoo stos stot stou stsf stss sttd stud stuf stun stus stut sudd sudo suds suf- suff sufs sufu sun- sund sunn suno suns sunt sunu suos sus- susd suso suss sust susu suto sutu suus tdff tdss tfot tfsd tfss tndd tndf tnts tnut todd todo tods todt todu toff tofo toft tofu tonn tono tons tonu tood toof toon toos toot toso toss tost tosu totd toto tots tott toun tous tout tsos tsou tssf tsst tsts tsun ttff ttfn tton ttss tttt tudu tuff tufo tuft tufu tund tunn tuno tuns tunu tuos tusd tuss tust tuto tuts tutt tutu tuuo udds udon udoo udos udot udsd udts udun ufos undo unds unfd unno unns unon unos uns- unso unst unto unts unus unut uofo usdf usdo usds usdt usfs usno usnu usos ussf usss usst ussu usto usts usun usus utfo utto uttu uuno uutf uuuu