-ing bbbb bbbs bbfn bbhs bbin bbng bbrg bffs bfgf bfhs bfsi bfsr bggs bghs bgun bhff bhhs bhir bhsf bhur bhuu bibb bibi bibs biff bifi bigb bigg bign bigs bigu bihi bihs bihu biin biis bin- bing binh bini binn bins binu birb birg biri birn birr birs biru bis- bish biss bisu bnhs bnib bnin bnrr bnss brfu brhs brig brih brin bris brns brrr brrs brsb brsr brug bruh brun brus bsff bsfs bsgs bshs bsin bsns bubb bubi bubs bubu buff bufr bugg bugh bugi bugs buhi buhr buhs buif buin buir buis buiu bunb bung buni bunn buns bunu bur- burb burg burh buri burn burr burs buru bush busi buss busu buus fbhs fbis fbrs fbus ffff ffhs ffii ffrr ffss ffun fghi fhfs fhhs fhrs fhss fibs fiff fifi figg figs fiii fing fini finn fins firn firs fish fisi fiss fisu fnhs fnrs fnuf frhs frib frig frin fris frns frsb frub frug frun fsfi fsgs fshb fshs fssf fubb fubs fubu fuff fufu fugh fugi fugs fugu fuhs fuig fuir funf fung funh funs fur- furg furi furn furr furs fusi fuss fusu gbbs gbhs gfhs ggfg gggg gghg ggrn ggss ghfs ghhs ghib ghrf ghug gibb gibh gibs giff gifs gifu gigg gigi gign gigs gihs giis ging gini ginn gins ginu girg giri girn girr girs giru gish giss giur gius gnib gnin gnrr gnus grbr grhs grib grif grig grin gris grni grrr grrs grss grub gruf grug grui grun grur grus gshs gsif gsis gsur gubb gubi gubs gubu guff gugb gugg gugh gugi gugu guhr guib guin guis gung gunn guns gurb gurg gurh guri gurn gurr gurs guru gusb gush guss guus h-ii hbbs hbhs hbrs hbss hfhs hfrs hfss hghs hhgg hhhh hhhs hhus hibi hibu hiff hifh hifi hifn hifr high higi higs hihi hiis hiiu hing hinn hins hirf hiri hirn hirs hiru hisb hish hisn hiss hnhs hrhs hrib hrng hrun hsfs hshs hsin hsni hsur hubb hubi hubs huff hufs hufu hugg hugh hugi hugs huhi huhn huhs huhu huib huif huir huis hung hunh huni huns huri hurn hurr hurs huru hush husi huss huub huus ibfi ibis ibns ibri ibsf ibsn ibss ibus ifbb ifis ifni ifnr ifns ifrb ifrf ifri ifsb iggs igis igni igns ignu igri igus ihis ihss ihub ihug iiii iiis iirs iisi iisr iisu infi infs ings inhs inig inis inni innr inns innu inri inrs insh inss insu inui inun inus irfu irgs irhs iri- irig irin iris irri irrs irsf irsg irun irus isbn ishi ishr ishs isin isis isrg isri issf issh issi issr isss issu isuh isus iugs iuiu iuss n-ii nbhs nbuf nfff nfhs nfib nfrs nfsr nfsu ngfs nghs ngns ngri ngsn ngur nguu nhhs nhis nhnn nibi nibs niff nigg nigh nigs nihf niir niiu ning ninh nini nins nirs niru nish nisi niss nisu niur nngn nnhs nnnn nnss nrhs nsfs nshs nsin nsis nsnr nssb nssf nssr nsss nsub nubi nubs nuff nugs nuhi nuin nung nunn nuns nuri nurn nurr nurs nuru nush nusi nuss nusu rbbb rbbr rbbs rbgh rbhs rbis rbss rfgs rfhs rgbi rghs rhbg rhfs rhhs rhib rhin rhug rhun rhus rib- ribs ribu riff rifs rifu rigg righ rigi rigs rigu rihs riif riin riis rinf ring rinn riri rirs rish risi riss risu rius rnbr rngs rnin rnsh rrhs rrif rrrr rrun rsbi rsgb rshs rsis rsnn rsnr rubb rubi rubs rubu ruff rugg rugh rugi rugs ruhh ruhi ruhn ruhr ruhs ruif ruin ruis runf rung runi runn runs ruri rurs ruru rush rusi russ rusu ruun s-ib s-ii sbbs sbhs sbig sbsi sbus sfhs sfnb sfss sfsu sggg sggs sghs sgsh sgss shbs shgr shhh shhs shib shig shih shii shin shir shis shiu shri shrs shub shuf shug shui shun shur shus shuu sibi sibs sibu siff sifr sifu sigg sigh sigi sign sigs sihi sihr sihs sihu sing sinh sini sinn sins sinu sirf siri sirr sirs siru sish sisi siss sisu siui sius snfu snhs snib snig snir snns snrs snub snug snur snus srfi srgb srhs srib sris srni srnn srub ssbn ssbr ssgs sshs ssin ssis ssns ssrg ssri ssrs sssb sssf sssh sssi ssss sub- subb subg subh subi subs suf- suff sufi sufr sufs sufu sug- sugg sugh sugi suhb suhi suhr suig suin suir suis sun- sunb sung suni sunn suns sunu sur- surf surg suri surn surr surs suru sus- susi suss susu suus ubbi ubii ubir ubis uggs ughi ughs ugis ugni ugri ugur uguu uhrs uhss uhuh uirr ungu uni- unif unii unin unir unis unni unns unrf unrs uns- unsg unus urbi urbs urff urfi urgh urgi urgu urib urif urin uris uriu urni urns urrh urri ursi urss ursu urun urur urus usbr usbs usfi usfs ushi ushr ushs ushu usif usin usis usnr usnu ussb ussf ussr usss ussu usui usun usus uuni uuri uusi uuuu