d-ix dddd ddpo ddps ddss didi dido dids diii diis diop dior dios dipo dipp dips dird dirr dirs dis- disd disi diso disp diss dixi do-x dod- dodd dodi dodo dods doid dois doix dood doop door doos dopo dopp dopr dops dord dori doro dorp dorr dors dosi doso doss dpos dppx dpsd drip drix drod drop drrs drsp dsdp dsdr dsip dsos dsps dsri dsrp dsrr dssi dssp dxdr dxds dxii dxip dxix dxps dxrd dxrp dxrr dxrx dxsp dxss dxxr dxxx iddo idid idio idir idis idos idps idro idso idss 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 ipix ipod ipop ipos ippo ippr ipri ipsi ipso ipsp ipss irdo irdp irds iri- irid irio irip iris irix irod irop irps irri irrs irsp isds isis iso- isop isor isos ispr isps isri isrp issi isso issp issr isss ixos ixxi 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 orix oro- oror oros orpi orps orri orro orrs orsi orso osdi osii osip osis osoi osoo osor osos osrd osro ossd ossi osso oxi- oxid oxis oxo- oxos oxox oxsi oxxo pdos pdpr pdrs pdsd pdss pdxs pido pids pidx piip pipi pipo pipp pips piri piro pirr pirs pisd pisi piso piss pixo pixx pod- podd podi podo pods poid poio pois poix pood poop poor poos pop- popi popo popp pops pori poro porr pors posi poso poss ppds ppid ppod ppos pppd pppo pppp ppps ppss pri- prid prii pris prix pro- prod proo prop pros prox prpd prps prrd prri prrs prsd prsi prso prss psdi psdp psdr psds psid psip psis psoi psos pspi pspp pspr psps psrd psrp psso rdio rdos rdso ridd ridi rido rids ridx riis rios ripd ripi ripp ripr rips riri rirs risd risi riso risp riss rixo rodd rodi rodo rods roid roio roir rois rood rooi roop roor roos roox ropo rops rori roro rosi roso rosp ross roxo rpdp rpii rpix rpos rpps rrrr rrsp rsdd rsds rsid rsis rsos rspo rsps s-ii s-os sdds sdio sdpr sdps sdrs sdss sidd sidi sido sidr sids siod siop sior sios siox sipi sipo sipp sips siri siro sirp sirr sirs sisd sisi siss sixo sixx sodd sodo sods soir sois sood soop soor soos sopd sopi sopo sopp sops sord sori soro sorr sors sosi soso soss soxs spdp spdr spio spip spir spis spix spod spoo spop spor spos spox sppd spps sprd spri spro sprs spsd spso spsp spss sris sros srps srpx srsd srsp ssdd ssdp ssid ssis ssop sspo ssps sspx ssri ssrs sssi ssss xdos xidi xiii xisi xixi xois xoro xorp xors xoxo xrds xrod xxii xxix xxxi xxxo xxxx