-er b-u bbb bbe bbi bbl bbm bbr bbt bbu be- beb bee bei bel bem ber bet beu bi- bib bie bii bil bim bir bit biu blb ble bli bll blm blr blt blu bmb bme bmi bml bmm bmr bmt bmu brb bre bri brl brm brr brt bru btb bte bti btl btm btr btt btu bub bue bui bul bum bur but buu ebb ebe ebi ebl ebm ebr ebt ebu eeb eee eel eem eer eet eib eie eii eil eim eir eit eiu elb ele eli ell elm elr elt elu em- emb eme emi eml emm emr emt emu erb ere eri erl erm err ert eru etb ete eti etl etm etr ett etu eu- eub eue eui eul eur eut ibb ibe ibi ibl ibm ibr ibt ibu ie- iee iei iel iem ier iet iib iie iii iil iim iir iit iiu il- ilb ile ili ill ilm ilr ilt ilu im- imb ime imi iml imm imt imu ir- irb ire iri irl irm irr irt iru itb ite iti itl itm itt itu iu- iub iue iui ium iur iut lbb lbe lbi lbl lbm lbr lbt lbu leb lee lei lel lem ler let leu lib lie lii lil lim lir lit liu llb lle lli lll llm llr llt llu lmb lme lmi lml lmm lmr lmt lmu lrb lri lrm lrr lrt lru ltb lte lti ltl ltm ltr ltt ltu lub lue lui lul lum lur lut luu m-r mbb mbe mbi mbl mbm mbr mbt mbu meb mee mei mel mem mer met meu mi- mib mie mii mil mim mir mit miu mlb mle mli mll mlm mlr mlt mlu mmb mme mmi mml mmm mmr mmt mmu mrb mre mri mrl mrm mrr mrt mru mtb mte mti mtl mtm mtr mtt mtu mub mue mui mul mum mur mut muu rbb rbe rbi rbl rbm rbr rbt rbu re- reb ree rei rel rem rer ret reu rib rie rii ril rim rir rit rle rli rll rlm rlr rlt rlu rmb rme rmi rml rmm rmr rmt rrb rri rrl rrm rrr rrt rru rtb rte rti rtl rtm rtr rtt rtu rub rue rui rum rur rut ruu tbb tbe tbi tbl tbm tbr tbt tbu te- teb tee tei tel tem ter tet teu tib tie tii til tim tir tit tiu tle tli tll tlm tlr tlt tlu tmb tme tmi tml tmm tmr tmt tmu trb tre tri trl trm trr trt tru ttb tte tti ttl ttm ttr ttt ttu tub tue tui tul tum tur tut tuu ubb ube ubi ubl ubr ubt ubu ueb uee uei uel uem uer uet uib uie uii uil uim uir uit uiu ulb ule uli ull ulm ulr ult ulu um- umb ume umi uml umm umr umt umu ur- urb ure uri url urm urr urt uru utb ute uti utl utm utr utt utu uue uum uur uut uuu

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