dddd ddpo ddps ddss didi dido dids diii diis diiv diop dior dios dipo dipp dips dird dirr dirs dis- disd disi diso disp diss divd divi divo divs dod- dodd dodi dodo dods doid dois dood doop door doos dopo dopp dopr dops dord dori doro dorp dorr dors dosi doso doss dovi dpos dpsd dpvs drip drod drop drrs drsp dsdp dsdr dsip dsos dsps dsri dsrp dsrr dssi dssp dsvd dvdr dvds dvi- dvii dvir dvor dvrp dvrs dvsr iddo idid idio idir idis idos idps idro idso idss idvd iiii iiio iiis iioi iioo iiop iios iirs iisd iisi iisp iisr iod- iodd iodo ioii ioio iooi iooo ioos iops iori iors ioso ipdi ipid ipod ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipvs irdo irdp irds iri- irid irio irip iris irod irop irov irps irri irrs irsp irvs isds isis iso- isop isor isos ispr isps isri isrp issi isso issp issr isss ivdr ivod ivor ivrs oddd oddi odds odio odir odis odoo odop odor odos odrp odso oido oids oiii oios oisd oodi ooid oooo ooos oops oord oosi opds opii opio opis opo- opor opos oppi oppo opps opsi ordo ords ori- orid orio oris oro- oror oros orpi orps orri orro orrs orsi orso orvr orvs osdi osdv osii osip osis osoi osoo osor osos osov osrd osro ossd ossi osso ovi- ovid ovis ovo- ovod ovoo ovpp pdos pdpr pdrs pdsd pdss pido pids piip pipi pipo pipp pips piri piro pirr pirs pisd pisi piso piss pivo pod- podd podi podo pods poid poio pois pood poop poor poos pop- popi popo popp pops pori poro porr pors posi poso poss povo povs ppds ppid ppod ppos pppd pppo pppp ppps ppss pri- prid prii pris priv pro- prod proo prop pros prov prpd prps prrd prri prrs prsd prsi prso prss prsv psdi psdp psdr psds psid psip psis psoi psos psov pspi pspp pspr psps psrd psrp psso rdio rdos rdso rdvs ridd ridi rido rids riis rios ripd ripi ripp ripr rips riri rirs risd risi riso risp riss rivo rivp rivs rodd rodi rodo rods roid roio roir rois rood rooi roop roor roos ropo rops rori roro rosi roso rosp ross rovi rovo rovs rpdp rpii rpos rpps rrrr rrsp rsdd rsds rsid rsis rsos rspo rsps rsvp rvsp s-ii s-iv s-os sdds sdio sdpr sdps sdrs sdss sidd sidi sido sidr sids siod siop sior sios sipi sipo sipp sips siri siro sirp sirr sirs sisd sisi siss sivi sodd sodo sods soir sois sood soop soor soos sopd sopi sopo sopp sops sord sori soro sorr sors sosi soso soss sosv sovo sovs spdp spdr spio spip spir spis spiv spod spoo spop spor spos sppd spps sprd spri spro sprs spsd spso spsp spss sris sros srps srsd srsp ssdd ssdp ssid ssis ssop sspo ssps ssri ssrs sssi ssss ssvp svdo svir svod svor vdio vdsi vdso vidi vido vids viii vios vipr vips viri viro virr visd visi viso visp viss vivi vivo vodo void voio voip voir vois voor vor- vord vori voro vors vosi voso voss vpro vrdi vrio vris vrsi vsip vsop vsrp vvvv