bbbb bbbs bbdd bbfn bbin bd-r bdii bdin bdry bdsd bduf bffs bfsi bfsr bibb bibi bibs bidi bidr bids bidu biff bifi biin biis bin- bind bini binn bins binu biny birb bird biri birn birr birs biru biry bis- bisd biss bisu bisy biys bnib bnin bnrr bnss brds brdy brfu brid brin bris brns brrr brrs brsb brsr brud brun brus bry- bryd bryn bsbd bsff bsfs bsin bsnd bsns bsrd bssd bubb bubi bubs bubu budb budd budi buds budu budy buff bufr buid buif buin buir buis buiu bunb bund buni bunn buns bunu bur- burb burd buri burn burr burs buru bury busi buss busu busy buus buyi buys buyu bynd byrd byrn bysb bysi byss bysy byun byyd dbfs dbrn dbrs dbss dbus dddd ddry ddss ddub dfds dfrf dfri dibb dibs diby didi dids didu didy dif- diff difs dify diii diis din- dini dinn dins dinu dird dirr dirs dis- disd disi diss disy dius diyi diyu dnis dnus drib drif drin drrs drub drui drus druu dry- dryf drys dsdr dsif dsri dsrr dssi dssn dub- dubb dubs dubu duby dudd duds dudu duff dufu dufy duid duif duin duir duis dunn duns duny duri durn duru dury dusi dusy duur duyn duyr dybn dybu dydd dyf- dyfi dyin dynu dyny dyr- dyrb dyrf dyri dyru dys- dysi dysr dyss dyun dyur dyyr fbis fbrs fbsd fbus fdny fdry ffff ffii ffrr ffss ffun fibs fidf fids fiff fifi fiii find fini finn fins firn firs firy fisd fisi fiss fisu fndd fndn fndr fnrs fnuf frib frid frin fris frns frsb frub frun frys fsfi fssf fubb fubs fubu fudd fudi fuff fufu fuid fuir fund funf funs fur- furi furn furr furs fury fusd fusi fuss fusu fuyu fyfi fynd fynn fyrd fyrs fyry i-by ibfi ibid ibis ibns ibrd ibri ibsf ibsn ibss ibus ibuy ibyi idid idin idir idis idrf idsf idss idub idun idus ifbb ifby iffy ifid ifis ifni ifnr ifns ifrb ifrf ifri ifsb iiii iiis iirs iisd iisi iisr iisu inbd inby ind- indi inds indu indy infi infs infy inid inis inni innr inns innu inny inri inrs inss insu inui inun inus irby irds irfu iri- irid irin iris iriy irri irrs irsf irun irus iryn isbd isbn isdb isdn isds isin isis isri issf issi issr isss issu issy isus isys iuds iuiu iusd iuss n-ii nbuf nddb ndfi ndrf ndri ndry ndsf ndsi ndss nfff nfib nfrs nfsr nfsu nfyb nibi nibs nidd nidi nids niff niir niiu nind nini nins nirs niru nisd nisi niss nisu niur niyi nndb nnnn nnss nrds nrrd nsdf nsds nsfs nsin nsis nsnr nsrd nssb nssf nssr nsss nsub nubi nubs nuby nudd nudi nuff nuin nunn nuns nuny nurd nuri nurn nurr nurs nuru nusi nuss nusu nusy nuys nyfd nyny nyrb nyrf nysf nyss rbbb rbbr rbbs rbds rbis rbsd rbss rfdi rfds rfid rib- ribs ribu riby ridd ridi rids riff rifs rifu riif riin riis rind rinf rinn riny riri rirs risd risi riss risu rius riyf rnbr rndf rnds rnin rrif rrrr rrun rsbi rsdd rsds rsid rsis rsnn rsnr rubb rubi rubs rubu ruby rudd rudi ruds rudy ruff ruid ruif ruin ruis rund runf runi runn runs runy rurd ruri rurs ruru rusi russ rusu rusy ruud ruun ruyd ruyi ruys rydy ryff ryif ryis rynd rynn rysy ryun ryyf s-ib s-ii sbbs sbds sbsd sbsi sbus sdds sdib sdif sdrs sdry sdsf sdss sdsu sfnb sfss sfsu sibi sibs sibu siby sidd sidi sidr sids sidy siff sifr sifu sify sind sini sinn sins sinu siny sirf siri sirr sirs siru sisd sisi siss sisu sisy siui sius siyi siyu snfu snib snid snir snns snrs snsd snsy snub snur snus snys srby srfi srib sris srni srnn srsd srub ssbn ssbr ssby ssdd ssdf ssid ssin ssis ssns ssri ssrs sssb sssf sssi ssss sub- subb subd subi subs sudd sudi suds suf- suff sufi sufr sufs sufu suid suin suir suis sun- sunb sund suni sunn suns sunu suny sur- surd surf suri surn surr surs suru sury sus- susd susi suss susu susy suus suyi suyn suyr suyu sydi syds syff syfy syis syn- synd syns synu syny syrs syry syss syun ubbi ubid ubii ubir ubis ubud uddi udds udid udin udir udny udsd udun uirr uisd unbd undi unds undy unfd uni- unif unii unin unir unis unni unns unrf unrs uns- unus urbi urbs urds urdu urdy urff urfi urib urif urin uris uriu urni urns urri urry ursi urss ursu ursy urun urur urus uryn usbr usbs usdf usds usfi usfs usif usin usis usnr usnu ussb ussf ussr usss ussu ussy usui usun usus uuni uuri uusi uuuu uuyn uyin uyir ybbs ybry ydin yidi yids yidu yiff yins yirb yird yirn yirr yiss yiud yrin yrun yryn ysby ysii yssu ysyb yubu yudu yuff yufu yuin yund yuns yuny yurd yuri yurn yury yuyu yyff yyyy