-er b-u bbb bbc bbd bbe bbl bbr bbu bcb bcc bcd bce bcl bcr bcu bdb bdc bdd bde bdl bdr bdu be- beb bec bed bee bel ber beu blb blc bld ble bll blr blu brb brd bre brl brr bru bub buc bud bue bul bur buu c-- cbb cbc cbd cbe cbl cbr cbu ccb ccc ccd cce ccl ccr ccu cdb cdc cdd cde cdl cdr cdu ce- ceb cec ced cee cel cer ceu cl- clb clc cld cle cll clr clu crb crc crd cre crl crr cru cub cuc cud cue cul cur cuu dbb dbc dbd dbe dbl dbr dbu dcb dcc dcd dce dcl dcr dcu ddb ddc ddd dde ddl ddr ddu de- deb dec ded dee del der deu dl- dlb dlc dld dle dll dlr dlu drb drc drd dre drl drr dru dub duc dud due dul dur ebb ebc ebd ebe ebl ebr ebu ec- ecb ecc ecd ece ecl ecr ecu ed- edb edc edd ede edl edr edu eeb eec eed eee eel eer elb elc eld ele ell elr elu erb erc erd ere erl err eru eu- eub euc eud eue eul eur lbb lbc lbd lbe lbl lbr lbu lcb lcc lcd lce lcl lcr lcu ldb ldc ldd lde ldl ldr ldu leb lec led lee lel ler leu llb llc lld lle lll llr llu lrb lrc lrd lrr lru lub luc lud lue lul lur luu rbb rbc rbd rbe rbl rbr rbu rcb rcc rcd rce rcl rcr rcu rdb rdc rdd rde rdl rdr rdu re- reb rec red ree rel rer reu rlc rld rle rll rlr rlu rrb rrc rrd rrl rrr rru rub ruc rud rue rur ruu ubb ubc ube ubl ubr ubu ucb ucc ucd uce ucl ucr ucu udb udc udd ude udl udr udu ueb uec ued uee uel uer ulb ulc uld ule ull ulr ulu ur- urb urc urd ure url urr uru uuc uue uur uuu

bbbb bbdd bbeb bblb bbrc bcbc bccc bccl bcde bcec bcer bcru bcuc bd-r bdbc bddc bdle bebb bebe becu bede bedl bedu beeb beed beel beer beld bele bell belu berc berd bere berr beru beur blcu bldc bldr bleb bled blee bleu blrc blub blud blue blur brcb brce breb brec bred bree brel brer brrr bruc brud brue bubb bube bubu bucc buce bucu budb budd bude budl budu buel buer bueu bulb buld bule bull bulu bur- burb burd bure burl burr buru c-cd cbbc cbcc cbce cbcl cbcr cbcu cbdb cbdc cbec cbee cber cblb cblc cbrd cbre cbrl ccbc cccb cccc cccl cccu ccdc ccdr cced ccee ccel cclc ccrc ccre ccrl ccuc cd-e cd-r cddb cddl cddr cdec cder cdre cebu cec- cece cedd cede cedu ceeb ceec ceel cel- celc cele cell cer- cerc cerd cere cerl clcd cldc cldr clec cled clee cler cleu clrd club clud clue crbc crbu crcc crce crcr crdc cre- creb crec cred cree creu crub crud crue cub- cubb cube cucc cuce cude cued cuer culb culc culd cule cull curb curd cure curl curr dbcc dcbc dccb dccc dccl dccu dcdb dddd ddlc ddrc ddre ddub debe debu dec- decc decd dece decl dedd dede dedu deeb deed deel deer deld dele dell der- derb derc dere derr deue deul deur dlbd drbc dred dree drel drub drue druu dub- dubb dubc dube dubu duce dudd dude dudu duel duer dulc dule dull dulu dure duru duul duur e-cl ebbc ebbr ebcc ebed ebel eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced ecrc ecrl ecrr ecru eddc edde ede- edel eder edle edru educ edur eede eedu eeee eele eerc el-b elbe elbu elcb elce elde eldr elec eled elee eler elle ellu elue elul erbb erbe ercc erce erde ereb erec ered erel erer erld erle erll errc erre erub eruc erur eubc eucd eude euer eule eur- eurc eure lbcc lblr lcbc lccc lcce lcdd lcdr lcer lcrd lcrl le-u lebd lebu lece lede leed leel leer lele lell lelu lerc lerd lere leuc leud leur llcc lldb lldc lleu lllc llll llud lrdd lrrc lrrr lube luce ludd lude lued luer lule lull lulu lurd lure rbbb rbbr rbcl rble rcbc rccb rccc rcdc rcde rcle rcrd rder rebb rebe rebu recc recd rece recr recu redc redd rede redl redr redu reeb reed reel relb reld rele rell rerd rere reru reue reul reuu rlee rleu rred rrle rrrr rubb rube rubu ruce rudd rude rudl rued ruel ruer rule rull rurc rurd rure ruru ruud ubbe uber uble ubud ucbc ucdc ucdd ucel ucrc udbc udel uder uele uell ulbc ulcc ulde uleb ulee ulle ullr ulul urbe urde urdu ure- ured urle urre urur uulu uuuu

b-e-d bbbee bcced bcell bd-re be-er bebed bebel beber becel becue bedde bedee bedel beder bedle bedub bedue beebe beede beeld beele beerd belce belde belec beled belee bellb belle belue belur berbe bercu berde berdu berec bered berel berle berre berru beuer beule beure bledd blede bleed bleer blere bleue blude blued bluer blurb blure blurr brebu brece bredd brede breed breel breer brell brerd brere breu- brrrr bruce brud- brude brued bruer brule brull bubbe buber buble bucur budde buddu budec budel budur buell bulb- bulde bull- bulle bulul burcu burde burel burle burru buruc burud cblue ccccc ccell ccrcl ccrel cduce cebec ceber ceded cedel ceder cedr- cedre ceede ceele ceere celde celeb celer cell- celle cerbu cerc- cerce cerec cered cerer cerre cleed cleer clerc clere clubb clude clue- clued cluer clurr crebe crece crede creed creel creer crele crell creu- creue creul crrel cruce crude cruel crule crull crure cubbe cubeb cubed cubel cuber cubub cudde cudle culbe culde culle cullu culur curce cured curel curer curle curll curlu curre cuuel d-cru dcell ddddd debce debed debel deber deble debrc