dddd ddss didi dids didu diii diis diiv dili dill dils dird dirl dirr dirs dis- disd disi diss dius divd divi divs dlii dlil dlis dliv dlrs dlvi dril drrs drui drus druu druv dsdr dsls dsri dsrr dssi dsvd dudd duds dudu duid duil duir duis duli dull dulu duri duru dusi duul duur dvdr dvds dvi- dvii dvir dvrs dvsr dvvl idid idil idir idis idli idls idss idus idvd iiii iiis iirs iisd iisi iisr iisu ilir ilis ill- illd illi ills ilud ilus iluv irds iri- irid iril iris irri irrs irul irus irvs isds isil isis isls isri issi issr isss issu isus iuds iuiu iusd iuss ivdr ivrs lddv ldls ldrs lidl lids liii liir liis liiv lili lill lils lilu lird liri lirl lirr lirs liru lisd lisi liss lisu lius livi livs llds llll llud lrdd lrds lrrr ls-r lsds lsid lssr lsvd ludd ludi luis luli lull lulu lurd luri lurs lurv lusi luss luvd luvs lvii lviv lvrr lvsd lvsv rdvs ridd ridi rids riis rill rilu riri rirs risd risi riss risu rius rivs rlds rlls rrrr rsdd rsdl rsds rsid rsis rssl rudd rudi rudl ruds ruid ruis rull rurd ruri rurs ruru rusi russ rusu ruud ruvi ruvu s-ii s-iv sdds sdls sdrs sdsl sdss sdsu sidd sidi sidr sids sil- sild sili sill sils silu siri sirr sirs siru sisd sisi siss sisu siui sius sivi sl-i slds slid slir slrs slsu slud slur sris srlv srsd srvl ssdd ssid ssis ssri ssrl ssrs sssi ssss sudd sudi suds suid suir suis sul- suld suli sull sulu sur- surd suri surr surs suru surv sus- susd susi suss susu suus suvi suvs svil svir uddi udds udid udir udsd udsl uirr uisd ulli ullr ulul ulus ulvi urds urdu uris uriu urls urri ursi urss ursu urur urus usdl usds usis uslu ussr usss ussu usui usul usus uulu uuri uusi uuuu uvid uvis uvrd uvri uvvu vdsi vidi vids viii vild vili vill vils vilu viri virl virr viru visd visi viss visu vivi vldl vlli vlsi vrdi vrdl vril vris vrsi vssl vudi vudu vuir vull vvvv