bbbb bbbs bbeb bbet bbrg bebb bebe bebi beeb beeg beer bees beet begg begi begs beir beis beit bere berg beri berr bers bert bes- bese bess best bete beti bets bett bggs bgst bibb bibe bibi bibs bieb bier bies biet bigb bige bigg bigs bigt biis birb bire birg biri birr birs birt bis- bise biss bist bite bits bitt breb bree breg brei brer bres bret brie brig bris brit brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bsse bsts btie btrt btss bttb ebbr ebbs eber ebes ebis ebit eeee eees eegs eerg eers eese eesi eete eets egbe egee eger eggb egge eggi eggs egir egis egre egri egss egte egts eiei eier eies eige eigg eire eirs eise eiss eist eitb eiti eitr erbb erbe ereb erei erer eres eret erg- ergg ergi ergs erie eris erit erre errs erse ersi erst erts esbs esee eser eses eset esie esis esit esri esse essg essi esst este estr ests etbr etee eter etes etre etsi ette etti gbbs gebe gebi geer gees geet gege gegg geie geig geir geis geit gerb gere geri gers gert gesg gesi gess gest getb gete getg geti gets gett ggbt gggg ggss gibb gibe gibs gier gies giet gige gigg gigi gigs giis gire girg giri girr girs girt gise giss gist gite gits grbr greb gree greg gres gret grib grie grig gris grit grrr grrs grss gsis gsse gstr gtbr i-be ibeg ibes ibet ibge ibie ibis ibri ibss ibtb ibts ieet ieie iere ieri iers iesg iesi iesr iest iett iger iges iget iggs igis igri iies iiie iiii iiis iiit iirs iisi iisr iist iitr iitt irbe iree irer ires irgs iri- irie irig iris irre irri irrs irse irsg irte irti irts isbe isbt iseb isee iser ises iset isie isis isit isrg isri isse issi issr isss iste isti istr ists itbe itbs iter ites itet itgs itie itis itri itrs itse itsi rbbb rbbr rbbs rbis rbss rbst rebb rebe rebs reeb rees reet rege regi regr regs regt reii reir reis reit rere rerg reri rers rert rese resi ress rest rete reti retr rets rett rgbe rgbi rgit rgtr rgts rib- ribe ribs rier ries riet rige rigg rigi rigs riis rire riri rirs rise risi riss rist rite riti rits ritt rrrr rsbi rsee rsgb rsis rsre rsts rtee rtei rtes rtgs rtss rtts s-ib s-ii sbbs sber sbig sbse sbsi sbst se-e se-g se-i se-s se-t sebe sebi sebs sebt seeb seeg seer sees seet sege segg segi segs seie seii seir seis seit serb sere serg seri serr sers sert sese sesi sess sest set- sete seti sets sett sger sges sggg sggs sgss sgts sibe sibi sibs sieg sier sies sige sigg sigi sigs siit sire siri sirr sirs sirt sise sisi siss sist sit- site siti sits sitt sreb sres srgb srib sris srtr ssbr ssee sses sset ssgs ssgt ssis ssit ssrg ssri ssrs sssb sssi ssss sstb ssts stbs stee steg ster stes stet stge stgr stib stie stig stir stis stit stre stri strs stsi stss sttr tbbs tbgs tbit tbrb tbst teer tees teet tegg tegi tegs tegt teie teir teis ter- tere teri terr ters tese tess test tete teti tetr tets tett tgts tibi tibs tie- tiee tiei tier ties tiet tige tigi tigr tigs tiit tirb tire tiri tirr tirs tisb tise tisi tiss tist tite titi tits titt tre- tree treg trei tres tret trge tri- trib trie trig tris trit trsi trst trte trtr tses tset tsgt tsig tsis tsse tssg tssi tssr tsst tsts ttbb tter ttss tttt