-er b-u bbb bbc bbe bbf bbl bbr bbu bcb bcc bce bcf bcl bcr bcu be- beb bec bee bef bel ber beu bfb bfc bfe bff bfl bfr bfu blb blc ble blf bll blr blu brb bre brf brl brr bru bub buc bue buf bul bur buu c-- cbb cbc cbe cbf cbl cbr cbu ccb ccc cce ccf ccl ccr ccu ce- ceb cec cee cef cel cer ceu cfb cfc cfe cff cfl cfr cfu cl- clb clc cle clf cll clr clu crb crc cre crf crl crr cru cub cuc cue cuf cul cur cuu ebb ebc ebe ebf ebl ebr ebu ec- ecb ecc ece ecf ecl ecr ecu eeb eec eee eef eel eer ef- efb efc efe eff efl efr elb elc ele elf ell elr elu erb erc ere erf erl err eru eu- eub euc eue euf eul eur fbb fbc fbe fbf fbl fbr fbu fcb fcc fce fcf fcl fcr fcu feb fec fee fef fel fer feu ffc ffe fff ffl ffr ffu flb flc fle flf fll flr flu frb frc fre frf frl frr fru fub fue fuf ful fur fuu lbb lbc lbe lbf lbl lbr lbu lcb lcc lce lcf lcl lcr lcu leb lec lee lef lel ler leu lfb lfc lfe lff lfl lfr lfu llb llc lle llf lll llr llu lrb lrc lrf lrr lru lub luc lue luf lul lur luu rbb rbc rbe rbf rbl rbr rbu rcb rcc rce rcf rcl rcr rcu re- reb rec ree ref rel rer reu rfb rfc rfe rff rfl rfr rfu rlc rle rlf rll rlr rlu rrb rrc rrf rrl rrr rru rub ruc rue ruf rur ruu ubb ubc ube ubf ubl ubr ubu ucb ucc uce ucf ucl ucr ucu ueb uec uee uef uel uer ufc ufe uff ufl ufr ufu ulb ulc ule ulf ull ulr ulu ur- urb urc ure urf url urr uru uuc uue uur uuu

bbbb bbeb bbfc bblb bbrc bcbc bccc bccl bcec bcer bcfc bcru bcuc bebb bebe becu beeb beef beel beer befe beff bele bell belu berc bere berr beru beur bffl blcu bleb blee bleu blfc blrc blub blue bluf blur brcb brce breb brec bree bref brel brer brfc brfu brrr bruc brue bubb bube bubu bucc buce bucu buel buer bueu bufc bufe buff bufr bulb bule bull bulu bur- burb bure burl burr buru cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cbef cber cbfb cbfc cblb cblc cbre cbrl ccbc cccb cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccrc ccre ccrf ccrl ccuc cebu cec- cece ceeb ceec ceel cef- cefc cel- celc cele celf cell cer- cerc cere cerf cerl cfbc cfbr cfcb cfcf cfcl cffb cffr cfrb cfre clec clee clef cler cleu club clue crbc crbu crcc crce crcr cre- creb crec cree creu crfc crfl crlf crub crue cub- cubb cube cucc cuce cuer cufc cuff culb culc cule cull curb cure curf curl curr e-cl ebbc ebbr ebcc ebel eber ebfc ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecef ecfc ecfr ecrc ecrf ecrl ecrr ecru eeee eefe eefl eele eerc efbr el-b elbe elbu elcb elce elec elee elef eler elfc elfe elle ellu elue elul erbb erbe ercc erce ereb erec erel erer erfc erle erll errc erre erub eruc erur eubc euer eufc eule eur- eurc eure fble fccf fece feeb feel feer fefc fefe feff fele felf fell ferb ferc fere ferr feru ffcc ffee ffff ffrr flcl flee fler flub flue fluf flur frbc frcc free frfc frub frue fubb fubu fuc- fuel fufc fuff fufu fule full fulu fur- fure furl furr lbcc lblr lcbc lccc lcce lcer lcfc lcfr lcrl le-u lebu lece leef leel leer lefe leff lele lell lelu lerc lere leuc leur lfcc llcc llef lleu lllc llll lrfc lrrc lrrr lube luce luef luer lufe luff lufu lule lull lulu lure rbbb rbbr rbcl rble rcbc rccb rccc rcfc rcle rebb rebe rebu recc rece recr recu reeb reef reel refe reff refl refr refu relb rele rell rere reru reue reuf reul reuu rfef rffc rffl rlee rlef rleu rrfc rrle rrrr rubb rube rubu ruce ruel ruer rufc rufe ruff rule rull rurc rure ruru ubbe uber uble ucbc ucel ucfb ucrc uele uell ufcu ufel ufer uffe ulbc ulcc uleb ulee ulfe ulle ullr ulul urbe ure- urfe urff urle urre urur uulu uuuu

bbbee bcell be-er bebel beber becel becue beebe beele beffe befur belce belec belee belef bellb belle belue belur berbe bercu berec berel berle berre berru beuer beule beure bleer blere bleue bluer bluff blufr blurb blure blurr brebu brece breef breel breer brell brere breu- brrrr bruce bruer bruff brule brull bubbe buber buble bucur buell buffe bufle bulb- bull- bulle bulul burcu burel burle burru buruc cbeff cblue ccccc ccell cclef ccrcl ccrel cebec ceber ceele ceere cefcu celeb celer cell- celle cerbu cerc- cerce cerec cerer cerre cfler cfu-e clcff cleef cleer clefe clerc clere clubb clue- cluer clufe cluff clurr crebe crece creel creer crele crell creu- creue creul crrel cruce cruel crufe crule crull crure cubbe cubeb cubel cuber cubub cufeu cuffe cufre culbe culle cullu culur curce curel curer curle curll curlu curre cuuel ebber ebble ebell eberl eblul ebull ebure eccle eeeee eeler efere effer efuru elele ellel eller ellul elrec elulu eluru erbbe erber erere eucre euell euler eurel eurre fclef febel feble febre feele feere felce felle ferce ferel ferle ferr- ferre feuer feule fleer flere fleur fluce fluff flurb flure flurr freel freer frere freur fu-fu fulbe fulle fullf furel lebce lebec lebel leber lecce leece leell leere lefeu leffe leful leleu lelle lerer leuc- leuce lubbe luber luble lubur lucee lucre lucur lufre lulec lulle luluc lulul lurer lurue rebbe rebec rebel reber recce recue recur reece reefe reere