-er -ol b-u bbb bbe bbl bbm bbo bbr bbt bbu be- beb bee bel bem beo ber bet beu blb ble bll blm blo blr blt blu bmb bme bml bmm bmo bmr bmt bmu bob boe bol bom boo bor bot bou brb bre brl brm bro brr brt bru btb bte btl btm bto btr btt btu bub bue bul bum buo bur but buu ebb ebe ebl ebm ebo ebr ebt ebu eeb eee eel eem eeo eer eet elb ele ell elm elo elr elt elu em- emb eme eml emm emo emr emt emu eo- eob eoe eol eom eoo eor eot eou erb ere erl erm ero err ert eru etb ete etl etm eto etr ett etu eu- eub eue eul eur eut lbb lbe lbl lbm lbo lbr lbt lbu leb lee lel lem leo ler let leu llb lle lll llm llo llr llt llu lmb lme lml lmm lmo lmr lmt lmu lob loe lol lom loo lor lot lou lrb lrm lro lrr lrt lru ltb lte ltl ltm lto ltr ltt ltu lub lue lul lum luo lur lut luu m-o m-r mbb mbe mbl mbm mbo mbr mbt mbu meb mee mel mem meo mer met meu mlb mle mll mlm mlo mlr mlt mlu mmb mme mml mmm mmo mmr mmt mmu mob moe mol mom moo mor mot mou mrb mre mrl mrm mro mrr mrt mru mtb mte mtl mtm mto mtr mtt mtu mub mue mul mum mur mut muu ob- obb obe obl obm obo obr obt obu oeb oee oel oem oeo oer oet olb ole oll olm olo olt olu om- omb ome oml omm omo omr omt omu oo- oob ool oom ooo oor oot or- orb ore orl orm oro orr ort oru ot- otb ote otl otm oto otr ott otu ou- oue oul oum ouo our out rbb rbe rbl rbm rbo rbr rbt rbu re- reb ree rel rem reo rer ret reu rle rll rlm rlo rlr rlt rlu rmb rme rml rmm rmo rmr rmt rob roe rol rom roo ror rot rou rrb rrl rrm rrr rrt rru rtb rte rtl rtm rto rtr rtt rtu rub rue rum ruo rur rut ruu tbb tbe tbl tbm tbo tbr tbt tbu te- teb tee tel tem teo ter tet teu tle tll tlm tlo tlr tlt tlu tmb tme tml tmm tmo tmr tmt tmu to- tob toe tol tom too tor tot tou trb tre trl trm tro trr trt tru ttb tte ttl ttm tto ttr ttt ttu tub tue tul tum tuo tur tut tuu ubb ube ubl ubo ubr ubt ubu ueb uee uel uem uer uet ulb ule ull ulm ulo ulr ult ulu um- umb ume uml umm umo umr umt umu uob uoe uol uom uoo uor uot ur- urb ure url urm uro urr urt uru utb ute utl utm uto utr utt utu uue uum uur uut uuu

bbbb bbeb bbet bblb bebb bebe bebo beeb beel beem beer beet bele bell belm belo belt belu beme bemu beo- beor beot bere berm bero berr bert beru bete beto bett betu beur blbt bleb blee blem bleo blet bleu blme blob blom bloo blot blou blub blue blum blur blut bobb bobe bobo bobu boee boel boeo boer boet bole boll bolm bolo bolt bolu bomb bome bomt bomu boob booe bool boom boor boot bor- bore borm boro borr bort boru botb bote boto bott boue boul boum bour bout breb bree brel brem breo brer bret brob broe brol brom broo bror brot brou brrm brrr brue brum brut btob btor btrt bttb bubb bube bubo bubu buel buem buer bueu bulb bule bull bult bulu bum- bumb buol bur- burb bure burl burm buro burr burt buru but- bute buto butt ebbo ebbr ebel eber eboe ebol eboo ebor ebro ebru ebul ebur eeee eele eemo eero eete eetu el-b elbe elbo elbu elee elem eleo eler elet elle ello ellu elme elml elmo elom elro elte elto elue elul elum embe embo embr emel emer emet emeu emle emlm emme emml emmu emor emre emte emul eole eolo eore eorl eoto erbb erbe ereb erel erem erer eret erle erll erme ermo erob eroe erol eroo erre erro ertl ertu erub erum erur etbr etee etel etem eter etoe etre etrm etro ette etto ettu euer eule eur- eure euro eurt lblr lbrt le-u lebo lebu leel leem leer leet lele lell lelo lelu leme lemm lemo lemu leom leor leou lere lerm lero lert lete leto lett leur llet lleu llll lloo lmbo lmmr lob- lobb lobe lobo loeb loeu lole loll lolo lomb lome lomm lomo lomu loob looe lool loom loor loot lore loro lote lotl loto lotr lott loue loul loum lour lout louu lrmt lrrr ltbl ltee lttr lube luer lule lull lulu lumb lume lumo lure lurt lute mbou mebe mebo meel meem meer meet mel- melb mele mell melo melt meme meml memo memr memu meor meou mer- merb mere merl merm mero mert meru met- mete meto mett metu meum mlle mltb mltr mmmm mmor mobb mobe mobo moel moet mole moll molo molr molt mome momo momu moob mooe mool moor moot morb more morl moro mort moru motb mote motl motm moto mott motu moue moul mour mout mrbb mrbm mreb mree mrml mrtm mrtt mtbo mtel mtlb mtle mtoe mtom mtor mtre mtrl mtrr mttr mube mubo muee muel muet mule mull mulm mulo mult mulu mume mumm mumo mumu mure murl muro murr murt muru mute muto mutt mutu muut o-eo obbo obel ober obet oble oblu oboe obol obor obot obre obro oele oeme oere oerm olbo ole- oleo oler olet olle ollo olmo olom olor olot oltu olur ombe ombo ombu omee omeo omer omet omle omo- omoe omoo omor omre omro omul omuo