bbbb bbeb bbet bblb bebb bebe bebi beeb beel beem beer beet beil beim beir beit bele beli bell belm belt belu beme bemu bere beri berm berr bert beru bete beti bett betu beur bibb bibe bibi bibl bieb biel bier biet bieu bile bili bill bilt bilu birb bire biri birl birr birt biru bite bitt bitu blbt bleb blee blei blem blet bleu blim blir blit blme blub blue blum blur blut bmir bmmi breb bree brei brel brem brer bret brie bril brim brit brrm brrr brue brum brut btie btrt bttb bubb bube bubi bubu buel buem buer bueu buie buir buit buiu bulb bule buli bull bult bulu bum- bumb bur- burb bure buri burl burm burr burt buru but- bute buti butt ebbr ebel eber ebit ebli ebru ebul ebur eeee eele eete eetu eiei eier eile eime eimi eire eitb eiti eitm eitr el-b elbe elbi elbu elee elem eler elet elie elil elim elit elle elli ellu elme elml elte elue elui elul elum embe embi embr emel emer emet emeu emii emil emim emir emit emle emlm emme emmi emml emmu emre emte emul erbb erbe ereb erei erel erem erer eret erie eril erim erit eriu erle erli erll erme erre ertl ertu erub erum erur etbr etee etel etem eter etim etre etrm ette etti ettu etui eubi euer eule eur- eure eurt i-be ibbm ibet ibie ibim ible ibml ibri ibtb ibtl ieet ieie iele ieme iere ieri ietm iett iiie iiii iiit iitm iitr iitt iium ilbm ile- iler ilet ilie ilir ilit ill- ille illi illt ilme ilmr ilre ilrm ilum ilut imbe imbi imel imer imet imir imit imli imme immi immt imre imri imrr imue irbe irbm iree irel irem irer iri- irie iril irlb irre irri irte irti irul itbe itel item iter itet itie itil itim itll itme itri itum itur iuel iuiu lblr lbrt le-u lebu leel leem leer leet leib leie leil leir leit lele leli lell lelu leme lemi lemm lemu lere lerm lert lete leti lett leur libe libr libu lieb liel lier liet lieu liii liir lilb lile lili lill lilt lilu limb lime limi liml limm limu lire liri lirl lirr lirt liru litb lite liti litl litr litt litu liue liut llet lleu llll lmii lmmr lrmt lrrr ltbl ltee ltib lttr lube luer luit lule luli lull lulu lumb lume lumi lure luri lurt lute luti mbim mebe meel meem meer meet meil meir meit mel- melb mele meli mell melt meme meml memr memu mer- merb mere meri merl merm mert meru met- mete meti mett metu meum miee miel miem mier miet mieu miii miit mile mili mill milr milt milu mim- mime mimi mire miri mirl mirr mirt miru mit- mitb mite miti mitm mitt mitu miui mlii mlit mlle mltb mltr mmii mmli mmmm mrbb mrbm mreb mree mrml mrtm mrtt mtel mtlb mtle mtre mtrl mtrr mttr mube mubi muee muel muet muie muil muir muit mule muli mull mulm mult mulu mume mumm mumu mure muri murl murr murt muru mute muti mutt mutu muut rbbb rbbr rble rebb rebe rebu reeb reel reem reet reii reil reim reir reit reiu relb rele rell relm relt reme remi rere reri rert reru rete reti retr rett reue reul reut reuu rib- ribe ribu riel riem rier riet rieu rile rill rilu rime rimi rimm rimu rire riri rite riti ritl ritt ritu riue rlee rleu rlml rmll rmtu rrle rrrr rrum rtee rtei rtle rtlt rtmi rtml rubb rube rubi rubu ruel ruer ruet ruit rule rull rumb rume rumi ruml rumm rumt rure ruri ruru rute ruti rutl rutt rutu tbil tbit tbrb tebu teel teem teer teet teie teil teim teir teiu tel- tele teli tell telt telu teme temu ter- tere teri term terr teru tete teti tetr tett tetu teut tibi tibu tie- tiee tiei tiel tier tiet tiit tiiu tile till tilr tilt time timi timm timu tirb tire tiri tirl tirr tiru tite titi titt titu tium tlli tmbr tmil tmtt tre- tree trei trem tret treu tri- trib trie tril trim trit trmb trmi trml trmu trte trtr trub true trut truu ttbb tter ttim ttml tttt ttul tubb tube tubr tubu tuei tuel tuer tuet tuil tuim tuit tuiu tule tuli tull tulu tumb tume tumi tumu turb ture turi turm turr turt turu tute tuti tutl tutt tutu tuum u-ie ubbe ubbi uber ubet ubii ubir ubit uble ubli ueir uele ueli uell uile uiml uirr uleb ulee ulie ulim ulle ulli ullr ulme ulmi ulmu ulti ultt ulul ulum umb- umbe umbi umer umet umit umri umut urbe urbi ure- uret urib urie urim uriu urle urmi urre urri urte urum urur urut utel uter util utmb utri utti uttu uulu uuri uuuu