-ous dddd ddss didi dido dids didu diii diis diiv dior dios diou dird dirr dirs dis- disd disi diso diss dius divd divi divo divs dod- dodd dodi dodo dods doid dois dood door doos dord dori doro dorr dors doru dosi doso doss doud dour dous dovi drod drou drrs drui drus druu druv dsdr dsos dsri dsrr dssi dsvd dudd dudo duds dudu duid duir duis duo- duos duri duro duru dusi duur dvdr dvds dvi- dvii dvir dvor dvrs dvsr iddo idid idio idir idis idos idro idso idss iduo idus idvd iiii iiio iiis iioi iioo iios iirs iisd iisi iisr iisu iod- iodd iodo ioii ioio iooi iooo ioos iori iors ioso iosu ious irdo irds iri- irid irio iris irod irov irri irrs irus irvs isds isis iso- isor isos isri issi isso issr isss issu isus iuds iuiu iusd iuss ivdr ivod ivor ivrs oddd oddi odds odio odir odis odiu odoo odor odos odou odso odur odus oido oids oiii oios oisd oisu oodi ooid oooo ooos oord oosi oous ordo ords ordu ori- orid orio oris oro- oror oros orri orro orrs orsi orso orsu orus orvr orvs osdi osdv osii osis osoi osoo osor osos osov osrd osro ossd ossi osso ossu ouds ouii ouir ouis our- ouro ours ousd ouu- ovi- ovid ovis ovo- ovod ovoo rdio rdos rdso rdvs ridd ridi rido rids riis rios riou riri rirs risd risi riso riss risu rius rivo rivs rodd rodi rodo rods roid roio roir rois roiu rood rooi roor roos rori roro roru rosi roso ross roud rous rovi rovo rovs rrrr rsdd rsds rsid rsis rsos rudd rudi rudo ruds ruid ruis rurd ruri ruro rurs ruru rusi ruso russ rusu ruud ruvi ruvu s-ii s-iv s-os sdds sdio sdrs sdss sdsu sidd sidi sido sidr sids siod sior sios siou siri siro sirr sirs siru sisd sisi siss sisu siui sius sivi sodd sodo sods sodu soir sois sood soor soos sord sori soro sorr sors soru sosi soso soss sosv soud sour sous sovo sovs sovu sris sros srsd ssdd ssid ssis ssri ssrs sssi ssss sudd sudi sudo suds suid suio suir suis suor suos sur- surd suri suro surr surs suru surv sus- susd susi suso suss susu suus suvi suvs svdo svir svod svor uddi udds udid udir udoo udos udsd uirr uisd uor- uovo urds urdu uris uriu uro- uroo urri ursi urso urss ursu urur urus usdo usds usis usoi usos usov ussr usss ussu usui usus uuri uusi uuuu uvid uvis uvrd uvri uvvu vdio vdsi vdso vidi vido vids viii vios viri viro virr viru visd visi viso viss visu vivi vivo vodo void voio voir vois voor vor- vord vori voro vors voru vosi voso voss vosu voud vour vous vrdi vrio vris vrsi vudi vudu vuir vvvv