dddd ddpo ddps ddss dfds dfrf dfri didi dido dids dif- diff difs diii diis diop dior dios dipo dipp dips dird dirr dirs dis- disd disi diso disp diss dod- dodd dodi dodo dods doff doid dois dood doof doop door doos dopo dopp dopr dops dord dorf dori doro dorp dorr dors dosi doso doss dpos dpsd drif drip drod drof drop drrs drsp dsdp dsdr dsif dsip dsos dspf dsps dsri dsrp dsrr dssi dssp fdos ffff ffii ffps ffrr ffss fidf fido fids fiff fifi fifo fiii fior fios fipp fips firs fisd fisi fiss fofo foid fois food foof foos fopp fops for- ford fori foro forr fors fosi foso foss fprf frid frio frip fris frop fros frpd frps frso fsfi fsfo fspf fssf fssp iddo idfp idid idio idir idis idos idps idrf idro idsf idso idss ifid ifis ifor ifpo ifps ifrf ifri ifso ifsp iiii iiio iiis iioi iioo iiop iios iipf iirs iisd iisi iisp iisr iod- iodd iodo ioii ioio ioof iooi iooo ioos iops iori iors ioso ipdi ipid ipod ipop ipos ippf ippo ippr ipri ipsi ipso ipsp ipss irdo irdp irds iri- irid irio irip iris irod irop irps irri irrs irsf irsp isds isfp isis iso- isof isop isor isos ispf ispr isps isri isrp issf issi isso issp issr isss oddd oddi odds odio odir odis odoo odop odor odos odrp odso ofdr off- offo offr offs ofid ofor oido oids oiii oios oisd oodi ooff oofs ooid oooo ooos oops oord oosi opds opii opio opis opo- opor opos oppi oppo opps opsi ordo ords orff orfi orfs ori- orid orif orio oris oro- orof oror oros orpi orps orri orro orrs orsi orso osdi osii osip osis osoi osoo osor osos osrd osro ossd ossi osso pdfs pdos pdpr pdrs pdsd pdss pfff pffr pfis pfps pido pids piff pifs piip pipi pipo pipp pips piri piro pirr pirs pisd pisi piso piss pod- podd podi podo pods poff pofi poid poio pois pood poof poop poor poos pop- popi popo popp pops pori poro porr pors posi poso poss ppds ppid ppif ppod ppos pppd pppo pppp ppps pprf ppsf ppss prfs pri- prid prif prii pris pro- prod prof proo prop pros prpd prps prrd prri prrs prsd prsi prso prss psdi psdp psdr psds psfs psid psip psis psoi psos pspi pspp pspr psps psrd psrp psso rdio rdos rdso rfdi rfds rfid ridd ridi rido rids riff rifs riif riis rios ripd ripi ripp ripr rips riri rirs risd risi riso risp riss rodd rodi rodo rods roff rofo roid roif roio roir rois rood roof rooi roop roor roos ropo rops rori roro rosi roso rosp ross rpdp rpii rpof rpos rpps rrif rrrr rrsp rsdd rsds rsid rsis rsos rspo rsps s-ii s-os sdds sdif sdio sdpr sdps sdrs sdsf sdss sfio sfor sfos sfpd sfro sfss sidd sidi sido sidr sids siff sifo sifr siod siop sior sios sipi sipo sipp sips sirf siri siro sirp sirr sirs sisd sisi siss sodd sodo sods sofi sofo soif soir sois sood soof soop soor soos sopd sopi sopo sopp sops sord sori soro sorr sors sosi soso soss spdf spdp spdr spfs spio spip spir spis spod spoo spop spor spos sppd sppf spps sprd spri spro sprs spsd spso spsp spss srfi sris sros srps srsd srsp ssdd ssdf ssdp ssfp ssid ssis ssop sspf sspo ssps ssri ssrs sssf sssi ssss