dddd ddot ddpo ddps ddss ddts dfds dfdt dfrf dftr dfts dod- dodd dodo dods doff dood doof doop door doos doot dopo dopp dopr dops dopt dord dorf doro dorp dorr dors dort doso doss dost dotd doto dots dott dpdt dpos dpsd dpst dpts drod drof drop drot drrs drsp dsdp dsdr dsos dspf dsps dspt dsrp dsrr dssp dsst dsto dsts dtdp dtor dtot dtss dttp fdos fdot fdst ffff ffps ffrr ffss fftf fofo food foof foos foot fopp fops for- ford foro forr fors fort foso foss fost foto fotp fots fott fpdt fprf frop fros frot frpd frps frso frst fsfo fspf fssf fssp ftop ftos ftps ftrs ftsr oddd odds odoo odop odor odos odot odrp odso odts ofdr off- offo offr offs ofor ofst oftp ooff oofs oooo ooos oops oord oort oost ootp oots opds opo- opor opos oppo opps opto opts ordo ords orff orfs oro- orof oror oros orot orps orro orrs orso orto orts osoo osor osos osrd osro ossd osso ostr osts otfp oto- otof otoo otor otos otpp otro otrs otso otto otts pdfs pdos pdpr pdrs pdsd pdss pfff pffr pfft pfps pod- podd podo pods poff pood poof poop poor poos poot pop- popo popp pops popt poro porr pors port poso poss post potd potf poto pots pott ppds ppod ppos pppd pppo pppp ppps pprf ppsf ppss ppts pptt prfs pro- prod prof proo prop pros prot prpd prps prrd prrs prsd prso prss prtp prtr psdp psdr psds psfs psos pspp pspr psps psrd psrp psso psst psts ptop ptpd ptrd ptrf ptsd rdos rdso rfds rodd rodo rods roff rofo rood roof roop roor roos root ropo rops roro rort roso rosp ross rost roto rotr rots rott rpdp rpof rpos rpps rptd rpts rrrr rrsp rsdd rsds rsos rspo rsps rstp rsts rtdt rtps rtss rttp rtts s-os sdds sdot sdpr sdps sdrs sdsf sdss sfor sfos sfpd sfro sfss sftp sfts sodd sodo sods sofo soft sood soof soop soor soos soot sopd sopo sopp sops sord soro sorr sors sort soso soss sost soto sotp sots spdf spdp spdr spdt spfs spod spoo spop spor spos spot sppd sppf spps sprd spro sprs spsd spso spsp spss spst spto sptr spts sros srps srpt srsd srsp srtp srtr ssdd ssdf ssdp ssfp ssop ssot sspf sspo ssps sspt ssrs sssf ssss sstd sstp ssts stds stod stof stoo stop stor stos stot stpd stpf stpp stps strd stro strs stsf stss sttd sttr tdff tdor tdss tfot tfpt tfrs tfsd tfss tftp todd todo tods todt toff tofo toft tood toof toor toos toot top- topd topf topo topp tops topt tord torf toro torp torr tors tort toso toss tost totd toto totr tots tott tpdf tppd tppp tppr tprs tptp tptr trfd trfr trod troo trop tros trot trpp trps trsd trst trtr tsop tsos tspo tsps tspt tssf tssr tsst tsts ttff ttop ttss tttt