bbbb bbbs bbeb bbrg bebb bebe bebi beeb beef beeg beer bees befe beff begg begi begs begu beir beis bere berg beri berr bers beru bes- bese bess beur bffs bfgf bfsi bfsr bggs bibb bibe bibi bibs bieb bief bier bies bieu biff bifi bigb bige bigg bigs bigu biis birb bire birg biri birr birs biru bis- bise biss bisu breb bree bref breg brei brer bres brfu brie brig bris brrr brrs brsb brsr brue brug brus bseb bsee bseg bser bses bsff bsfs bsgs bsse bubb bube bubi bubs bubu buer bueu bufe buff bufr buge bugg bugi bugs buie buif buir buis buiu bur- burb bure burg buri burr burs buru buse busi buss busu buus ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eefe eegs eerg eers eese eesi ef-g efbr efes effi effs efsi egbe egbu egee eger egfr eggb egge eggi eggs egir egis egre egri egss eiei eier eies eifs eige eigg eire eirs eise eiss erbb erbe ereb erei erer eres erfs erg- ergg ergi ergs erie eris eriu erre errs erse ersi erub erur erus esbs esee eser eses esfs esie esis esri esse essg essi essu esuf esui esus eubi euer eufi euge eur- eure euse fbis fbrs fbus febs feeb feer fees fefe feff fefi fege fegg fegs feie feig feir feis ferb fere ferr fers feru fese fess feus ffee ffff ffii ffrr ffss fibe fibs fief fier fies fife fiff fifi figg figs fiii fire firs fise fisi fiss fisu free frei fres frib frie frig fris frsb frub frue frug fsfi fsgs fssf fubb fubs fubu fuff fufu fuge fugi fugs fugu fuig fuir fur- fure furg furi furr furs fuse fusi fuss fusu gbbs gebe gebi geer gees gefe gefs gege gegg geie geif geig geir geis gerb gere geri gers geru gesg gesi gess gesu geue gfer ggfg gggg ggss gibb gibe gibs gief gier gies gife giff gifs gifu gige gigg gigi gigs giis gire girg giri girr girs giru gise giss giue giur gius grbr greb gree gref greg gres greu grib grie grif grig gris grrr grrs grss grub grue gruf grug grui grur grus gsif gsis gsse gsur gubb gubi gubs gubu guer gues guff gugb guge gugg gugi gugu guib guis gurb gure gurg guri gurr gurs guru gusb guse guss guus i-be ibeg ibes ibfi ibge ibie ibis ibri ibsf ibss ibus ieie iere ieri iers iesg iesi iesr iesu ifbb ifer ifes ifge ifis ifrb ifrf ifri ifsb iger iges iggs igis igri igue igus iies iiie iiii iiis iirs iisi iisr iisu irbe iree irer ires irfe irfu irgs iri- irie irig iris irre irri irrs irse irsf irsg irus isbe iseb isee iser ises isie isis isrg isri isse issf issi issr isss issu isus iuef iuge iugs iuiu iuse iuss rbbb rbbr rbbs rbis rbss rebb rebe rebs rebu reeb reef rees refe reff refg refi refr refs refu rege regi regr regs regu reif reii reir reis reiu rere rerg reri rers reru rese resi ress reue reuf reus reuu rfef rfgs rgbe rgbi rib- ribe ribs ribu rief rier ries rieu rife riff rifs rifu rige rigg rigi rigs rigu riif riis rire riri rirs rise risi riss risu riue rius rrif rrrr rsbi rsee rsgb rsis rsre rubb rube rubi rubs rubu ruer rues rufe ruff ruge rugg rugi rugs ruif ruis rure ruri rurs ruru ruse rusi russ rusu s-ib s-ii sbbs sbef sber sbig sbse sbsi sbus se-e se-f se-g se-i se-s se-u sebe sebi sebs seeb seef seeg seer sees seeu seff sefi sege segg segi segs segu seie seif seii seir seis seiu serb sere serf serg seri serr sers seru sese sesi sess seui seur sfer sfss sfsu sgef sger sges sggg sggs sgss sibe sibi sibs sibu sief sieg sier sies sife siff sifr sifu sige sigg sigi sigs sire sirf siri sirr sirs siru sise sisi siss sisu siue siui sius sreb sres srfi srgb srib sris srub ssbr ssee sses ssgs ssis ssrg ssri ssrs sssb sssf sssi ssss sub- subb subg subi subs suee suer sues sueu suf- suff sufi sufr sufs sufu sug- suge sugg sugi suie suig suir suis sur- sure surf surg suri surr surs suru sus- suse susi suss susu suus u-ie ubbe ubbi uber ubii ubir ubis ueir uers uess ufer uffe uggs ugis ugri ugur uguu uies uige uirr uise urbe urbi urbs ure- ures urfe urff urfi urge urgi urgu urib urie urif uris uriu urre urri urse ursi urss ursu urur urus usbe usbr usbs usee usef user uses usfi usfs usie usif usis ussb usse ussf ussr usss ussu usui usus uuri uusi uuuu