-er b-u bbb bbc bbe bbr bbu bcb bcc bce bcr bcu bcv be- beb bec bee ber beu bev brb bre brr bru brv bub buc bue bur buu bvb bvc bve bvr bvu bvv c-- cbb cbc cbe cbr cbu cbv ccb ccc cce ccr ccu ccv ce- ceb cec cee cer ceu cev crb crc cre crr cru crv cub cuc cue cur cuu cuv cvb cvc cve cvr cvu cvv ebb ebc ebe ebr ebu ebv ec- ecb ecc ece ecr ecu ecv eeb eec eee eer eev erb erc ere err eru erv eu- eub euc eue eur euv evb evc eve evr evv rbb rbc rbe rbr rbu rcb rcc rce rcr rcu rcv re- reb rec ree rer reu rev rrb rrc rrr rru rub ruc rue rur ruu ruv rvb rvc rve rvr rvu rvv ubb ubc ube ubr ubu ubv ucb ucc uce ucr ucu ucv ueb uec uee uer ur- urb urc ure urr uru uuc uue uur uuu uvb uvc uve uvu uvv v-e vbc vbr vbv vcc vce vcr vcu veb vec vee ver veu vrb vrc vre vrr vru vue vur vuv vvb vvc vvr vvv

bbbb bbeb bbrc bcbc bccc bcec bcer bcru bcuc bebb bebe becu beeb beer berc bere berr beru beur brcb brce breb brec bree brer brev brrr bruc brue bruv bubb bube bubu bucc buce bucu buer bueu bur- burb bure burr buru buve cbbc cbcc cbce cbcr cbcu cbec cbee cber cbre cbvb cbve cbvr ccbc cccb cccc cccu cccv ccee ccrc ccre ccuc cebu cec- cece ceeb ceec cer- cerc cere crbc crbu crcc crce crcr cre- creb crec cree creu crub crue cub- cubb cube cucc cuce cuer curb cure curr cuve cvcc cver cvrr ebbc ebbr ebcc eber ebru ebur ecbc ecbe eccb eccc ecce ecrc ecrr ecru ecrv eeee eerc erbb erbe ercc erce ereb erec erer erev errc erre erub eruc erur eruv erve eubc euer eur- eurc eure ever evre rbbb rbbr rcbc rccb rccc rcuv rcvr rebb rebe rebu recc rece recr recu reeb reev rere reru reue reuu reve rrrr rubb rube rubu ruce ruer rurc rure ruru ruve ruvu rv-c rver ubbe uber ucbc ucrc urbe ure- urre urur urve uuuu uv-b uv-c uver uvvu vbcc vecc veer ver- verb vere veur veve vurb vver vvvv

bbbee be-er beber becue beebe beeve berbe bercu berec berre berru beuer beure beuve bevce bever bevue brebu brece breer brere breu- breve brrrr bruce bruer bubbe buber bucur burcu burru buruc buvce ccccc cebec ceber ceere cerbu cerc- cerce cerec cerer cerre crebe crece creer creu- creue creve cruce crure cruve cubbe cubeb cuber cubub curce curer curre curve cuvee cvrce ebber ebure eeeee eevee eever erbbe erber erere ereve eucre eurre evere everr eveve rebbe rebec reber recce recue recur reece reere reeve rere- reree reuer rever revue rubee ruber rucer ruere rurec u-cee uber- urubu uruce urucu uuuuu veber vebre vecer veere veeve vereb verre verve veuve vevce vever vuere vuver

bbbbbb becure beebee beever berbee berber berere berrer berube beurre breere breuer brever brubru bruree bubber bububu burbur burcer burree burrer c-cube ceecee ceruce cubber cubube cucube cucurb curber currer curver eburru eebree erbree rebbec rebeuc receve recrue recuer recurb recure reever reuere reuver reverb revere revver rubbee rubber uuvere veerer verree verrer verrue verver vvvvvv

bbbbbbb bebeeru berbere berevce bruvver burbure cerbere cerebr- cervere currere e-curve recerve recurer recurve reveree reverer u-breve urevere verbere verveer

bbbbbbbb berebere buruburu cucurucu curucucu recurrer reverber

beebeebee

berberburr

bbbbbbbbbbbbbbb ccccccccccccccc