-er -ol b-u bbb bbe bbf bbl bbo bbr bbt bbu be- beb bee bef bel beo ber bet beu bfb bfe bff bfl bfo bfr bft bfu blb ble blf bll blo blr blt blu bob boe bof bol boo bor bot bou brb bre brf brl bro brr brt bru btb bte btf btl bto btr btt btu bub bue buf bul buo bur but buu ebb ebe ebf ebl ebo ebr ebt ebu eeb eee eef eel eeo eer eet ef- efb efe eff efl efo efr eft elb ele elf ell elo elr elt elu eo- eob eoe eof eol eoo eor eot eou erb ere erf erl ero err ert eru etb ete etf etl eto etr ett etu eu- eub eue euf eul eur eut fbb fbe fbf fbl fbo fbr fbt fbu feb fee fef fel feo fer fet feu ffe fff ffl ffo ffr fft ffu flb fle flf fll flo flr flt flu fob foe fof fol foo for fot fou frb fre frf frl fro frr frt fru ftb fte ftf ftl fto ftr ftt ftu fub fue fuf ful fuo fur fut fuu lbb lbe lbf lbl lbo lbr lbt lbu leb lee lef lel leo ler let leu lfb lfe lff lfl lfo lfr lft lfu llb lle llf lll llo llr llt llu lob loe lof lol loo lor lot lou lrb lrf lro lrr lrt lru ltb lte ltf ltl lto ltr ltt ltu lub lue luf lul luo lur lut luu ob- obb obe obf obl obo obr obt obu oeb oee oef oel oeo oer oet of- ofb ofe off ofl ofo ofr oft ofu olb ole olf oll olo olt olu oo- oob oof ool ooo oor oot or- orb ore orf orl oro orr ort oru ot- otb ote otf otl oto otr ott otu ou- oue ouf oul ouo our out rbb rbe rbf rbl rbo rbr rbt rbu re- reb ree ref rel reo rer ret reu rfb rfe rff rfl rfo rfr rft rfu rle rlf rll rlo rlr rlt rlu rob roe rof rol roo ror rot rou rrb rrf rrl rrr rrt rru rtb rte rtf rtl rto rtr rtt rtu rub rue ruf ruo rur rut ruu tbb tbe tbf tbl tbo tbr tbt tbu te- teb tee tef tel teo ter tet teu tfb tfe tff tfl tfo tfr tft tfu tle tlf tll tlo tlr tlt tlu to- tob toe tof tol too tor tot tou trb tre trf trl tro trr trt tru ttb tte ttf ttl tto ttr ttt ttu tub tue tuf tul tuo tur tut tuu ubb ube ubf ubl ubo ubr ubt ubu ueb uee uef uel uer uet ufe uff ufl ufo ufr uft ufu ulb ule ulf ull ulo ulr ult ulu uob uoe uol uoo uor uot ur- urb ure urf url uro urr urt uru utb ute utf utl uto utr utt utu uue uur uut uuu

bbbb bbeb bbet bblb bebb bebe bebo beeb beef beel beer beet befe beff befo beft bele bell belo belt belu beo- beof beor beot bere bero berr bert beru bete beto bett betu beur bffl bftt blbt bleb blee bleo blet bleu blob bloo blot blou blub blue bluf blur blut bobb bobe bobo bobu boee boef boel boeo boer boet bofe boff bofu bole boll bolo bolt bolu boob booe boof bool boor boot bor- bore borf boro borr bort boru botb bote boto bott boue bouf boul bour bout breb bree bref brel breo brer bret brfu brob broe brol broo bror brot brou brrr brue brut btob btor btrt bttb bubb bube bubo bubu buel buer bueu bufe buff bufo bufr bulb bule bull bult bulu buol bur- burb bure burl buro burr burt buru but- bute buto butt ebbo ebbr ebel eber eboe ebol eboo ebor ebro ebru ebul ebur eeee eefe eefl eele eero eete eetu efbr efeo efet efor eft- eftu el-b elbe elbo elbu elee elef eleo eler elet elfe elft elle ello ellu elro elte elto elue elul eole eolo eore eorl eoto erbb erbe ereb erel erer eret erft erle erll erob eroe erol eroo erre erro ertl ertu erub erur etbr etee etel eter etfb etfe etoe etre etro ette etto ettu euer eule eur- eure euro eurt fble febo feeb feel feer feet fefe feff fefo fele felf fell felo felt feof ferb fere fero ferr fert feru fete fetr fett fetu ffee ffff ffrr fftf flee fler flet flob floe floo flor flot flou flub flue fluf fluo flur fobt foer fofo fole foll folo folr folt foof fool foot for- forb fore forl foro forr fort fote foto fott foul four fout free freo fret frob froe frol frot frou frub frue ft-l fter ftlb ftub fubb fubu fuel fuet fuff fufu fule full fulu fuor fur- fure furl furo furr furt fute futo futu lblr lbrt le-u lebo lebu leef leel leer leet lefe leff left lele lell lelo lelu leof leor leou lere lero lert lete leto lett leur llef llet lleu llll lloo lob- lobb lobe lobo loeb loeu lofe loff loft lole loll lolo loob looe loof lool loor loot lore loro lote lotl loto lotr lott loue loul lour lout louu lrrr ltbf ltbl ltee lttr lube luef luer lufe luff luft lufu lule lull lulu lure lurt lute o-eo obbo obel ober obet oble oblu oboe obol obor obot obre obro oele oere oeuf ofer off- offe offo offr offu ofor ofre olbo ole- olef oleo oler olet olfe olle ollo olof olor olot oltu olur oobe ooer ooff oolo oooo oore oort ootb orbb orbe orbo orbu ore- oreb orel oreo orer orfe orff orfu orle orlo orlu oro- oroe orof oror orot orro orte orto orub otee oter oto- otoe otof otoo otor otre otro otte otto ottu otur ouer oufe ouff oule oulu our- oure