-ing bbbb bbbs bbin bblb bbls bbng bggs bgst bgun bibb bibi bibl bibs bigb bigg bign bigs bigt bigu biin biis bili bill bils bilt bilu bin- bing bini binn bins bint binu bis- bisl biss bist bisu bits bitt bitu blbt blin blis blit blls blni blss blst blts blub blus blut bnib bnin bnss bsgs bsin bsns bsts btss bttb btus bubb bubi bubs bubu bugg bugi bugs buin buis buit buiu bulb bulg buli bull buls bult bulu bunb bung buni bunn buns bunt bunu busi buss bust busu but- buti buts butt buus gbbs ggbt gggg ggss gibb gibs gigg gigi gign gigs giis gilg gili gill gils gilt ging gini ginn gins ginu giss gist gits gius gli- glib glin glis glit glub glug glui glun glut gnib gnin gnit gnti gnus gsis gsli gubb gubi gubs gubu gugb gugg gugi gugu guib guil guin guis gulb guli gull guls gult gulu gung gunn guns gunt gusb guss gust guti guts gutt gutu guus ibis ibns ibsn ibss ibtb ibtl ibts ibus iggs igil igis igli iglu igni igns ignu igus iiii iiis iiit iisi iist iisu iitt ilin ilis ilit ill- illi ills illt ilni ilts ilus ilut ings inig inis init inni inns innu inss inst insu intg inti intl intn ints intu inui inul inun inus isbl isbn isbt isil isin isis isit isls isnt issi isss issu isti ists isus itbs itgs itil itin itis itll itsi itsu iugs iuiu iuss iust lbgt lbug lgbt lgbu lgin lgtn lgts libs libu ligg ligi lign liig liii liin liis lilb lilg lili lill lils lilt lilu ling linn lins lint lisi liss list lisu litb liti litl lits litt litu liun lius liut llbs llll lngs lnts lsbu lsts ltbl ltgs ltib ltng ltns ltnt ltsi lubs lugg lugi lugs lugu luin luis luit luli lull lulu lung luni lunn luns lunt lusi luss lust luti luts n-ii nbti ngns ngsn ngtn ngts nguu nibi nibs nigg nigs nigt niit niiu nili nill nils nilt nilu ning nini ninl nins nisi nisl niss nist nisu nitb niti nits nlgn nlls nngn nnit nnls nnnn nnsl nnss nntn nsin nsis nsls nssb nsss nstl nsts nstu nsub ntis ntnu ntsb ntss ntsu ntui nubi nubl nubs nugs nuin nuit nuli null nung nunn nuns nunt nusi nusl nuss nust nusu nuts nutt nutu s-ib s-ii sbbs sbig sbsi sbst sbtn sbus sggg sggs sgls sgnl sgss sgts sibi sibs sibu sigg sigi sign sigs siit sil- sili sill sils silt silu sing sini sinn sins sint sinu sisi siss sist sisu sit- siti sitn sits sitt situ siui sius siut sl-i slib slig slit slln slst slsu slts slub slug slut snib snig snit snns snub snug snus ssbn ssgs ssgt ssin ssis ssit sslt ssns sssb sssi ssss sstb sstl ssts stbs stib stig stil stis stit stlg stln stlt stng stnn stns stsi stss stub stug stul stun stus stut sub- subb subg subi subl subs sug- sugg sugi suig suin suis suit sul- suli sull sult sulu sun- sunb sung suni sunn suns sunt sunu sus- susi suss sust susu suti sutu suus tbbs tbgs tbil tbit tbst tgts tibi tibs tibu tigi tigs tiit tiiu till tiln tils tilt ting tini tinn tins tint tinu tisb tisi tiss tist titi tits titt titu tlli tngs tnts tnut tsgt tsig tsin tsis tssg tssi tsst tsts tsui tsun ttbb ttss tttt ttul tubb tubs tubu tugg tugs tugu tuig tuil tuin tuis tuit tuiu tuli tull tulu tunb tung tuni tunn tuns tunu tusi tuss tust tuti tutl tuts tutt tutu ubbi ubii ubis ubit ubli ubls uggs uggt ugis ugli ugni uguu uint uist uits ulli ulti ults ultt ulul ulus ungu uni- unii unin unis unit unni unns uns- unsg unst untb unts unus unut usbl usbs usin usis uslu usnu ussb usss usst ussu ustb usti usts usui usul usun usus util utin utis utsl utti uttu utug uulu uuni uusi uuuu