-ing bbbb bbbs bbdd bbin bbng bbrg bd-r bdii bdin bdsd bggs bgst bgun bibb bibi bibs bidi bidr bids bidu bigb bigd bigg bign bigs bigt bigu biin biis bin- bind bing bini binn bins bint binu birb bird birg biri birn birr birs birt biru bis- bisd biss bist bisu bitd bits bitt bitu bnib bnin bnrr bnss brds brdt brid brig brin bris brit brns brrr brrs brsb brsr brst brud brug brun brus brut bsbd bsgs bsin bsnd bsns bsrd bssd bsts btdt btrt btss bttb btus bubb bubi bubs bubu budb budd budg budi buds budu bugg bugi bugs buid buin buir buis buit buiu bunb bund bung buni bunn buns bunt bunu bur- burb burd burg buri burn burr burs burt buru busi buss bust busu but- buti buts butt buus dbit dbrn dbrs dbss dbtt dbus dddd ddss ddts ddub dgsb dgsi dgsn dibb dibs didi dids didu digg digi digs diii diis din- ding dini dinn dins dint dinu dird dirr dirs dirt dis- disd disg disi diss dist diti dits ditt dius dnis dntt dnus dnut drgs drib drin drit drrs drub drug drui drus drut druu dsdr dsgn dsng dsri dsrr dssi dssn dsst dstn dsts dtnb dtng dtss dub- dubb dubs dubu dudd duds dudu dugs dugu duid duin duir duis duit dung dunn duns dunt durg duri durn durt duru dusi dust duts duur duut gbbs gddb gdrt ggbt gggg ggrn ggss gibb gibs gidd gidi gids gigg gigi gign gigs giis ging gini ginn gins ginu gird girg giri girn girr girs girt giru gisd giss gist gits giur gius gnib gnin gnit gnrr gnti gnus grbr grds grib grid grig grin gris grit grni grrr grrs grss grub grug grui grun grur grus grut gsds gsis gstr gsur gtbr gubb gubi gubs gubu gudi gudu gugb gugg gugi gugu guib guid guin guis gund gung gunn guns gunt gurb gurd gurg guri gurn gurr gurs gurt guru gusb gusd guss gust guti guts gutt gutu guus ibid ibis ibns ibrd ibri ibsn ibss ibtb ibts ibus idid idig idin idir idis idss idts idub idun idus iggs igis igni igns ignu igri igus iiii iiis iiit iirs iisd iisi iisr iist iisu iitr iitt inbd ind- indi inds indu ings inid inig inis init inni innr inns innu inri inrs inss inst insu intd intg inti intn intr ints intu inui inun inus irds irgs iri- irid irig irin iris irri irrs irsg irti irts irun irus isbd isbn isbt isdb isdn isds isin isis isit isnt isrg isri issi issr isss issu istd isti istr ists isus itbs itgs itin itis itri itrs itsi itsu itur iuds iugs iuiu iusd iuss iust n-ii nbti nddb ndnt ndri ndsi ndss ndut ngns ngri ngsn ngtn ngts ngur nguu nibi nibs nidd nidi nids nigg nigs nigt niir niit niiu nind ning nini nins nirs nirt niru nisd nisi niss nist nisu nitb niti nitr nits niur nndb nngn nnit nnnn nnss nntn nrds nrrd nrts nsdg nsds nsdt nsin nsis nsnr nsrd nssb nssr nsss nstd nsts nstu nsub ntds ntis ntnd ntnu ntru ntsb ntss ntsu nttr ntui nubi nubs nudd nudi nugs nuin nuit nung nunn nuns nunt nurd nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu rbbb rbbr rbbs rbds rbis rbsd rbss rbst rdgs rgbi rgds rgit rgtr rgts rib- ribs ribu ridd ridi rids rigg rigi rigs rigu riin riis rind ring rinn riri rirs risd risi riss rist risu riti rits ritt ritu rius rnbr rnds rngs rnin rnnt rntd rnut rrrr rrun rsbi rsdd rsdg rsds rsgb rsid rsis rsnn rsnr rsts rstu rtdt rtgs rtnd rtns rtss rtts rubb rubi rubs rubu rudd rudi ruds rugg rugi rugs ruid ruin ruis ruit rund rung runi runn runs runt rurd ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruud ruun s-ib s-ii sbbs sbds sbig sbsd sbsi sbst sbtn sbus sdds sdgs sdib sdrs sdss sdsu sggg sggs sgsd sgss sgts sibi sibs sibu sidd sidi sidr sids sigd sigg sigi sign sigs siit sind sing sini sinn sins sint sinu siri sirr sirs sirt siru sisd sisi siss sist sisu sit- sitd siti sitn sits sitt situ siui sius siut snib snid snig snir snit snns snrs snsd sntr snub snug snur snus srgb srib sris srni srnn srsd srtr srub ssbn ssbr ssdd ssgs ssgt ssid ssin ssis ssit ssns ssrg ssri ssrs sssb sssi ssss sstb sstd ssts stbd stbs stds stgr stib stid stig stir stis stit stnd stng stnn stnr stns strd stri strn strs stru stsi stss sttd sttr stub stud stug stun stur stus stut sub- subb subd subg subi subs sudd sudi suds sug- sugg sugi suid suig suin suir suis suit sun- sunb sund sung suni sunn suns sunt sunu sur- surd surg suri surn surr surs surt suru sus- susd susi suss sust susu suti sutu suus tbbs tbgs tbit tbrb tbst tddb tdis tdri tdss tgts tibi tibs tibu tidd tids tigi tigr tigs tiit tiiu tind ting tini tinn tins tint tinu tirb tird tiri tirr tirs tiru tisb tisi tiss tist titi tits titt titu tndd tngs tnts tnut tri- trib trig trin tris trit trng trsd trsi trst trtr trub trud trug trun trus trut truu tsbd tsdb tsgt tsid tsig tsin tsis tssg tssi tssr tsst tsts tsui tsun ttbb ttss tttt tubb tubr tubs tubu tudi tudu tugg tugs tugu tuig tuin tuis tuit tuiu tunb tund tung tuni tunn tuns tunu turb turd turg turi turn turr turs turt turu tusd tusi tuss tust tuti tuts tutt tutu ubbi ubid ubii ubir ubis ubit ubud uddi udds udgb udid udig udin udir udsd udts udun uggs uggt ugis ugni ugri ugur uguu uint uirr uisd uist uits unbd undi unds ungu uni- unii unin unir unis unit unni unns unrs uns- unsg unst untb