bbbb bbbs bbeb bbrg bebb bebe bebi beeb beeg beer bees begg begi begs beir beis bere berg beri berr bers bes- bese bess bggs bibb bibe bibi bibs bieb bier bies bigb bige bigg bigs biis birb bire birg biri birr birs bis- bise biss breb bree breg brei brer bres brie brig bris brrr brrs brsb brsr bseb bsee bseg bser bses bsgs bsse ebbr ebbs eber ebes ebis eeee eees eegs eerg eers eese eesi egbe egee eger eggb egge eggi eggs egir egis egre egri egss eiei eier eies eige eigg eire eirs eise eiss erbb erbe ereb erei erer eres erg- ergg ergi ergs erie eris erre errs erse ersi esbs esee eser eses esie esis esri esse essg essi gbbs gebe gebi geer gees gege gegg geie geig geir geis gerb gere geri gers gesg gesi gess gggg ggss gibb gibe gibs gier gies gige gigg gigi gigs giis gire girg giri girr girs gise giss grbr greb gree greg gres grib grie grig gris grrr grrs grss gsis gsse i-be ibeg ibes ibge ibie ibis ibri ibss ieie iere ieri iers iesg iesi iesr iger iges iggs igis igri iies iiie iiii iiis iirs iisi iisr irbe iree irer ires irgs iri- irie irig iris irre irri irrs irse irsg isbe iseb isee iser ises isie isis isrg isri isse issi issr isss rbbb rbbr rbbs rbis rbss rebb rebe rebs reeb rees rege regi regr regs reii reir reis rere rerg reri rers rese resi ress rgbe rgbi rib- ribe ribs rier ries rige rigg rigi rigs riis rire riri rirs rise risi riss rrrr rsbi rsee rsgb rsis rsre s-ib s-ii sbbs sber sbig sbse sbsi se-e se-g se-i se-s sebe sebi sebs seeb seeg seer sees sege segg segi segs seie seii seir seis serb sere serg seri serr sers sese sesi sess sger sges sggg sggs sgss sibe sibi sibs sieg sier sies sige sigg sigi sigs sire siri sirr sirs sise sisi siss sreb sres srgb srib sris ssbr ssee sses ssgs ssis ssrg ssri ssrs sssb sssi ssss