-ing bbbb bbbs bbhs bbin bbng bbrg bggs bghs bght bgst bgun bhhs bhir bhit bhrt bhur bhut bhuu bibb bibi bibs bigb bigg bign bigs bigt bigu bihi bihs bihu biin biis bin- bing binh bini binn bins bint binu birb birg biri birn birr birs birt biru bis- bish biss bist bisu bith bits bitt bitu bnhs bnib bnin bnrr bnss brhs brig brih brin bris brit brns brrr brrs brsb brsr brst brug bruh brun brus brut bsgs bshs bsin bsns bsts bths btrt btss bttb btus bubb bubi bubs bubu bugg bugh bugi bugs buhi buhr buhs buin buir buis buit buiu bunb bung buni bunn buns bunt bunu bur- burb burg burh buri burn burr burs burt buru bush busi buss bust busu but- buti buts butt buus gbbs gbhs ggbt gggg gghg ggrn ggss ghhs ghib ghit ghug gibb gibh gibs gigg gigi gign gigs gihs giis ging gini ginn gins ginu girg giri girn girr girs girt giru gish giss gist gith gits giur gius gnib gnin gnit gnrr gnti gnus grbr grhs grib grig grin gris grit grni grrr grrs grss grub grug grui grun grur grus grut gshs gsis gstr gsur gtbr gubb gubi gubs gubu gugb gugg gugh gugi gugu guhr guib guin guis gung gunn guns gunt gurb gurg gurh guri gurn gurr gurs gurt guru gusb gush guss gust guth guti guts gutt gutu guus h-ii hbbs hbhs hbit hbrs hbss hbtu hghs hgst hgts hhgg hhhh hhhs hhus hibi hibt hibu high higi higs higt hihi hiht hiis hiit hiiu hing hinn hins hint hiri hirn hirs hirt hiru hisb hish hisn hiss hist hiti hits hitt hnhs hntb hntr hnts hrhs hrib hrit hrng hrtb hrun hshs hsin hsni hstn hsts hsur htgs hths httr hubb hubi hubs hugg hugh hugi hugs huhi huhn huhs huhu huib huir huis huit hung hunh huni huns hunt huri hurn hurr hurs hurt huru hush husi huss hust huth huti huts hutt hutu huub huus ibis ibns ibri ibsn ibss ibtb ibts ibus iggs ight igis igni igns ignu igri igus ihis ihit ihss ihub ihug iiht iiii iiis iiit iirs iisi iisr iist iisu iitr iitt ings inhs inig inis init inni innr inns innu inri inrs insh inss inst insu intg inti intn intr ints intu inui inun inus irgs irhs iri- irig irin iris irri irrs irsg irti irts irun irus isbn isbt ishi ishr ishs isin isis isit isnt isrg isri issh issi issr isss issu isth isti istr ists isuh isus itbs itgs iths itin itis itri itrs itsi itsu itur iugs iuiu iuss iust n-ii nbhs nbti nghs ngns ngri ngsn ngtn ngts ngur nguu nhhs nhis nhnn nhst nibi nibs nigg nigh nigs nigt niht niir niit niiu ning ninh nini nins nirs nirt niru nish nisi niss nist nisu nitb nith niti nitr nits niur nngn nnhs nnit nnnn nnss nntn nrhs nrts nshs nsin nsis nsnr nssb nssr nsss nsts nstu nsub nthn nths ntht ntis ntnu ntru ntsb ntss ntsu nttr ntui nubi nubs nugs nuhi nuin nuit nung nunn nuns nunt nuri nurn nurr nurs nurt nuru nush nusi nuss nust nusu nuth nuts nutt nutu rbbb rbbr rbbs rbgh rbhs rbis rbss rbst rgbi rghs rgit rgtr rgts rhbg rhhs rhib rhin rhug rhun rhus rib- ribs ribu rigg righ rigi rigs rigu rihs riht riin riis ring rinn riri rirs rish risi riss rist risu rith riti rits ritt ritu rius rnbr rngs rnin rnnt rnsh rnut rrhs rrrr rrun rsbi rsgb rshs rsis rsnn rsnr rsts rstu rtgs rths rtns rtss rtts rubb rubi rubs rubu rugg rugh rugi rugs ruhh ruhi ruhn ruhr ruhs ruin ruis ruit rung runi runn runs runt ruri rurs ruru rush rusi russ rust rusu ruth ruti ruts rutt rutu ruun s-ib s-ii sbbs sbhs sbig sbsi sbst sbtn sbus sggg sggs sghs sgsh sgss sgts shbs shbt shgr shhh shhs shib shig shih shii shin shir shis shit shiu shri shrs shtg shts shub shug shui shun shur shus shut shuu sibi sibs sibu sigg sigh sigi sign sigs sihi sihr sihs siht sihu siit sing sinh sini sinn sins sint sinu siri sirr sirs sirt siru sish sisi siss sist sisu sit- sith siti sitn sits sitt situ siui sius siut snhs snib snig snir snit snns snrs sntr snub snug snur snus srgb srhs srib sris srni srnn srtr srub ssbn ssbr ssgs ssgt sshs ssin ssis ssit ssns ssrg ssri ssrs sssb sssh sssi ssss sstb ssth ssts stbs stgr sthg sthn sths stib stig stih stir stis stit stng stnn stnr stns stri strn strs stru stsi stss sttr stub stug stun stur stus stut sub- subb subg subh subi subs sug- sugg sugh sugi suhb suhi suhr suig suin suir suis suit sun- sunb sung suni sunn suns sunt sunu sur- surg suri surn surr surs surt suru sus- susi suss sust susu suti sutu suus tbbs tbgs tbhs tbit tbrb tbst tghs tgts thbs thi- thig thin thir this thnt thri thru thsr thss thtb thtr thts thug thun thur thus tibi tibs tibu tigh tigi tigr tigs tiht tihu tiit tiiu ting tini tinn tins tint tinu tirb tiri tirr tirs tiru tisb tish tisi tiss tist tith titi tits titt titu tngs tnsh tnts tnut trhs tri- trib trig trin tris trit trng trsi trst trtr trub trug trun trus trut truu tsgt tshb tshi tshs tsig tsin tsis tssg tssi tssr tsst tsts tsui tsun ttbb ttss tttt tubb tubr tubs tubu tugg tugh tugs tugu tuhs tuht tuhu tuig tuin tuis tuit tuiu tunb tung tuni tunn tuns tunu turb turg turi turn turr turs turt turu tush tusi tuss tust tuti tuts tutt tutu ubbi ubii ubir ubis ubit uggs uggt ughi ughs ugis ugni ugri ugur uguu uhrs uhss uhti uhuh uint uirr uist uits ungu uni- unii unin unir unis unit unni unns unrs uns-