b-u bbb bbd bbi bbn bbr bbs bbu bdb bdd bdi bdr bds bdu bi- bib bid bii bin bir bis biu bnb bnd bni bnn bnr bns bnu brb brd bri brn brr brs bru bsb bsd bsi bsn bsr bss bsu bub bud bui bun bur bus buu dbb dbd dbi dbn dbr dbs dbu ddb ddd ddi ddn ddr dds ddu di- dib did dii din dir dis diu dnb dnd dni dnn dnr dns drb drd dri drn drr drs dru dsb dsd dsi dsn dsr dss dsu dub dud dui dun dur dus i-d ibb ibd ibi ibn ibr ibs ibu idb idd idi idn idr ids idu iib iid iii iin iir iis iiu in- inb ind ini inn inr ins inu ir- irb ird iri irn irr irs iru is- isb isd isi isn isr iss isu iu- iub iud iui iur ius n-i nbb nbd nbi nbn nbr nbs nbu ndb ndd ndi ndn ndr nds ndu nib nid nii nin nir nis niu nnb nni nnn nns nnu nrb nrd nri nrn nrr nrs nru nsb nsd nsi nsn nsr nss nsu nub nud nui nun nur nus nuu rbb rbd rbi rbn rbr rbs rbu rdb rdd rdi rdn rdr rds rdu rib rid rii rin rir ris rnb rnd rni rnn rnr rns rnu rrb rrd rri rrn rrr rrs rru rsb rsd rsi rsn rsr rss rsu rub rud rui run rur rus ruu sbb sbd sbi sbn sbr sbs sbu sdb sdd sdi sdn sdr sds sdu sib sid sii sin sir sis siu snb snd sni snn snr sns snu sr- srb srd sri srn srr srs ss- ssb ssd ssi ssn ssr sss ssu sub sud sui sun sur sus suu ubb ubi ubn ubr ubs ubu udb udd udi udn udr uds udu uib uid uii uin uir uis uiu un- unb und uni unn unr uns unu ur- urb urd uri urn urr urs uru usb usd usi usn usr uss usu uun uur uus uuu

bbbb bbbs bbdd bbin bd-r bdii bdin bdsd bibb bibi bibs bidi bidr bids bidu biin biis bin- bind bini binn bins binu birb bird biri birn birr birs biru bis- bisd biss bisu bnib bnin bnrr bnss brds brid brin bris brns brrr brrs brsb brsr brud brun brus bsbd bsin bsnd bsns bsrd bssd bubb bubi bubs bubu budb budd budi buds budu buid buin buir buis buiu bunb bund buni bunn buns bunu bur- burb burd buri burn burr burs buru busi buss busu buus dbrn dbrs dbss dbus dddd ddss ddub dibb dibs didi dids didu diii diis din- dini dinn dins dinu dird dirr dirs dis- disd disi diss dius dnis dnus drib drin drrs drub drui drus druu dsdr dsri dsrr dssi dssn dub- dubb dubs dubu dudd duds dudu duid duin duir duis dunn duns duri durn duru dusi duur ibid ibis ibns ibrd ibri ibsn ibss ibus idid idin idir idis idss idub idun idus iiii iiis iirs iisd iisi iisr iisu inbd ind- indi inds indu inid inis inni innr inns innu inri inrs inss insu inui inun inus irds iri- irid irin iris irri irrs irun irus isbd isbn isdb isdn isds isin isis isri issi issr isss issu isus iuds iuiu iusd iuss n-ii nddb ndri ndsi ndss nibi nibs nidd nidi nids niir niiu nind nini nins nirs niru nisd nisi niss nisu niur nndb nnnn nnss nrds nrrd nsds nsin nsis nsnr nsrd nssb nssr nsss nsub nubi nubs nudd nudi nuin nunn nuns nurd nuri nurn nurr nurs nuru nusi nuss nusu rbbb rbbr rbbs rbds rbis rbsd rbss rib- ribs ribu ridd ridi rids riin riis rind rinn riri rirs risd risi riss risu rius rnbr rnds rnin rrrr rrun rsbi rsdd rsds rsid rsis rsnn rsnr rubb rubi rubs rubu rudd rudi ruds ruid ruin ruis rund runi runn runs rurd ruri rurs ruru rusi russ rusu ruud ruun s-ib s-ii sbbs sbds sbsd sbsi sbus sdds sdib sdrs sdss sdsu sibi sibs sibu sidd sidi sidr sids sind sini sinn sins sinu siri sirr sirs siru sisd sisi siss sisu siui sius snib snid snir snns snrs snsd snub snur snus srib sris srni srnn srsd srub ssbn ssbr ssdd ssid ssin ssis ssns ssri ssrs sssb sssi ssss sub- subb subd subi subs sudd sudi suds suid suin suir suis sun- sunb sund suni sunn suns sunu sur- surd suri surn surr surs suru sus- susd susi suss susu suus ubbi ubid ubii ubir ubis ubud uddi udds udid udin udir udsd udun uirr uisd unbd undi unds uni- unii unin unir unis unni unns unrs uns- unus urbi urbs urds urdu urib urin uris uriu urni urns urri ursi urss ursu urun urur urus usbr usbs usds usin usis usnr usnu ussb ussr usss ussu usui usun usus uuni uuri uusi uuuu

bbuss bdsni bdubs bibbs bibin bibis bibri bibus biddu bidin bidni bidri bidur bindi binds bindu binns binub birds birdu birin birni birns birrs birun birur bisdn bisin bridi brids brind brini brinn brins brisb brisi briss brrrr brud- bruds bruin bruis bruiu bruni brunn bruns bruri bruss bruun bsins bssid budds buddu budur buird buirn bundi bunds bundu bunin bunud bunun bunus burbs burdi burds burin burn- burns burri burrs burru burud burun burus busin busir bussu busur busuu d-bus ddddd dibri diddu didin didus dindi dinis dinur dinus disir diss- disur diurn dribs dridu drinn drins driss drubs druid druns druri dubbi dubbs dubi dubin dubus dudin dundi dunin dunun durin duris dusin dussi dusun i-bid ibbur ibdis ibids ididn idris idrus idunn iiiii iiris iisir iiuni inbin inbud indi- indin indir indri indrs indru indur indus iniid inini innis inniu inrun insin insrr insub inund inurn inuus irbid irbis irid- irids irind irinn iris- iriss irisu irssi is-is isbns isisi isrib issid issru issus issuu isuus n-sub nduru nibbi nidus niibi niidu niirs