bbbb bbbs bbeb bbrg bebb bebe bebi beeb beeg beek beer bees begg begi begs begu beik beir beis beke beki beks bere berg beri berk berr bers beru bes- bese besk bess beuk beur bggs bibb bibe bibi bibs bieb bier bies bieu bigb bige bigg bigs bigu biis bike biku birb bire birg biri birk birr birs biru bis- bise bisk biss bisu breb bree breg brei brek brer bres brie brig brik bris brkb brrr brrs brsb brsr brue brug brus bseb bsee bseg bser bses bsgs bsse bubb bube bubi bubs bubu buer bueu buge bugg bugi bugs buie buik buir buis buiu buke buki bukk buku bur- burb bure burg buri burk burr burs buru buse busi busk buss busu buus ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eegs eeke eeks eerg eers eese eesi eesk egbe egbu egee eger eggb egge eggi eggs egir egis egks egre egri egss eiei eier eies eige eigg eike eiki eiks eire eirs eise eisk eiss ekeb ekek eker ekes ekgs ekis ekki eksi ekur erbb erbe ereb erei erer eres erg- ergg ergi ergs erie erik eris eriu erke erki erks erre errs erse ersi erub erur erus esbs esee esek eser eses esie esik esis eske esks esku esri esse essg essi essu esui esus eubi euer euge eur- eure euse gbbs gebe gebi geek geer gees gege gegg geie geig geir geis geki gerb gere geri gers geru gesg gesi gesk gess gesu geue gggg ggss gibb gibe gibs gier gies gige gigg gigi gigs giis giku gire girg giri girk girr girs giru gise giss giue giur gius grbr greb gree greg gres greu grib grie grig gris grrr grrs grss grub grue grug grui grur grus gsis gskb gsse gsur gubb gubi gubs gubu guer gues gugb guge gugg gugi gugu guib guik guis gurb gure gurg guri gurk gurr gurs guru gusb guse guss guus i-be ibeg ibes ibge ibie ibis ibri ibss ibus ieie iere ieri iers iesg iesi iesr iesu iger iges iggs igis igri igue igus iies iiie iiii iiis iirs iisi iisr iisu ikee iker ikes ikig ikki ikri iksu ikue irbe iree irer ires irgs iri- irie irig iris irki irks irre irri irrs irse irsg irus isbe iseb isee iser ises isie isis isku isrg isri isse issi issr isss issu isus iuge iugs iuiu iuse iuss kbbb kbbe kbbg kbbi kbbk kbbr kbbs kbbu kbeb kbee kbek kber kbes kbgb kbge kbgg kbgr kbib kbie kbig kbik kbis kbiu kbkb kbkg kbkk kbkr kbrb kbre kbrg kbri kbrk kbru kbsb kbsg kbsi kbsk kbsr kbss kbsu kbub kbue kbuk kbur kbus kbuu kebb kebe kebi kebr kebu keek keer kees kege kegg kegi kegk kegr kegs keib keig keii keik keir keis kekb keke keki keks keku ker- kerb kere keri kerk kerr kers keru kesb kesi kesk kesr kess keug keur keus kgbb kgbr kgeb kggg kggi kggr kgir kgks kgrb kgre kgrg kgri kgrk kgrr kgrs kgsr kgus kibb kibe kibg kibi kibr kibs kibu kier kies kieu kigs kiii kiik kiis kiiu kiki kikk kikr kiku kirb kiri kirk kirr kirs kiru kise kisi kisk kisr kiss kisu kiur kiuu kkbb kkbe kkbg kkbi kkbr kkbs kkeg kkgb kkgr kkik kkkk kkrb kkre kkrk kkrr kkrs kkse kksi kksr kkss kksu kkus kkuu krbb krbe krbg krbi krbk krbr kreb kree krei krek kres kreu krgi krgs krib krik kris krke krki krkk krkr krks krku krrb krre krrg krri krrk krrr krrs krse krsk krsr krss krsu krue krug krui kruk krur ksbi ksbr ksbs ksee kseg ksei ksek kser ksgg ksgr ksgu ksib ksig ksii ksik ksir ksis kskb kske kskg kskk kskr ksks ksku ksrb ksrg ksrr ksrs ksse kssi kssr ksss kssu ksub ksue ksug ksui ksuu kubb kube kubr kubs kubu kuei kuek kues kueu kugb kuge kugr kugs kuie kuik kuke kuki kukk kuks kuku kurb kure kuri kurk kurr kurs kuru kusb kusg kusu kuub kuuk kuur kuuu rbbb rbbr rbbs rbis rbss rebb rebe rebk rebs rebu reeb reek rees rege regi regr regs regu reii reik reir reis reiu reke reki reks rere rerg reri rers reru rese resi ress reue reuk reus reuu rgbe rgbi rib- ribe ribs ribu riek rier ries rieu rige rigg rigi rigs rigu riis rike riki rikk riku rire riri rirs rise risi risk riss risu riue rius rkss rrrr rsbi rsee rsgb rsis rsre rubb rube rubi rubs rubu ruer rues ruge rugg rugi rugs ruis ruke ruki rukk ruku rure ruri rurs ruru ruse rusi rusk russ rusu s-ib s-ii sbbs sber sbig sbrk sbse sbsi sbus se-e se-g se-i se-k se-s se-u sebe sebi sebs seeb seeg seek seer sees seeu sege segg segi segs segu seie seii seik seir seis seiu seke seki sekk seku serb sere serg seri serk serr sers seru sese sesi sess seui seur sger sges sggg sggs sgss sibe sibi sibs sibu sieg siek sier sies sige sigg sigi sigs siik sike siki sikr siks siku sire siri sirk sirr sirs siru sise sisi sisk siss sisu siue siui sius skee skeg skei sker skes skie skig skik skir skis skiu skss skue skui skur sreb sres srgb srib sris srub ssbr ssee sses ssgs ssis ssrg ssri ssrs sssb sssi ssss sub- subb subg subi subs suee suer sues sueu sug- suge sugg sugi suie suig suir suis suke suki suks suku sur- sure surg suri surr surs suru sus- suse susi susk suss susu suus u-ie ubbe ubbi ubek uber ubii ubik ubir ubis ueir ueki uers uess uggs ugis ugri ugur uguu uies uige uirr uise ukek ukes ukeu uksg ukur urbe urbi urbs ure- ures urge urgi urgu urib urie urik uris uriu urke urre urri urse ursi urss ursu uruk urur urus us-k usbe usbr usbs usee user uses usie usis uske ussb usse ussr usss ussu usui usus uuri