-er b-u bbb bbc bbe bbo bbq bbr bbu bcb bcc bce bco bcq bcr bcu be- beb bec bee beo beq ber beu bob boc boe boo boq bor bou bqc bqe brb bre bro brq brr bru bub buc bue buo bur buu c-- cbb cbc cbe cbo cbq cbr cbu ccb ccc cce cco ccr ccu ce- ceb cec cee ceo ceq cer ceu co- cob coc coe coo coq cor cou cqb cqc cqo crb crc cre cro crq crr cru cub cuc cue cuo cuq cur cuu ebb ebc ebe ebo ebq ebr ebu ec- ecb ecc ece eco ecq ecr ecu eeb eec eee eeo eer eo- eob eoc eoe eoo eoq eor eou eqe eqq equ erb erc ere ero erq err eru eu- eub euc eue eur ob- obb obc obe obo obr obu oc- ocb occ oco ocr ocu oeb oec oee oeo oer oo- oob ooc ooo oor oqb oqo or- orb orc ore oro orr oru ou- ouc oue ouo our qbc qbe qbq qcc qco qec qee qeo qoo qor qqq qqu qrb qrc qre qru qu- que quo qur rbb rbc rbe rbo rbr rbu rcb rcc rce rco rcr rcu re- reb rec ree reo req rer reu rob roc roe roo ror rou rqc rrb rrc rrq rrr rru rub ruc rue ruo rur ruu ubb ubc ube ubo ubr ubu ucb ucc uce uco ucr ucu ueb uec uee uer uob uoc uoe uoo uor ur- urb urc ure uro urr uru uuc uue uur uuu

bbbb bbbq bbeb bbrc bcbc bccc bcec bcer bcor bcru bcuc bebb bebe bebo becu beeb beer beo- beor berc bere bero berr beru beur bobb bobe bobo bobu boce boco bocq bocu boec boee boeo boer boob booc booe boor boqe bor- bore boro borr boru boue bour bque brcb brce breb brec bree breo brer brob broc broe broo bror brou brrr bruc brue bubb bube bubo bubq bubu bucc buce buco bucu buer bueu bur- burb bure buro burr buru c-bo cbbc cbcc cbce cbcr cbcu cbec cbee cber cboq cbre ccbc cccb cccc cccu ccee ccob ccoc ccrc ccre ccuc cebu cec- cece ceco ceeb ceec ceor ceou cer- cerc cere cero cobb cobe cobo cobu coce coco cocu coob cor- corb corc core coro corr coub coue cour crbc crbu crcc crce crcr cre- creb crec cree creo creu crob croc croe croo cror crub crue cub- cubb cube cucc cuce cucq cuer curb cure curo curr ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco eco- ecou ecrc ecrr ecru eeee eeoc eerc eero eore equ- eque equo erbb erbe ercc erce ereb erec erer erob eroc eroe eroo errc erre erro erub eruc erur eubc euer eur- eurc eure euro o-eo obbo obec ober oboe oboq obor obre obro ocbc occc oce ocee ocre ocro ocrr ocur oec- oecc oeec oere oobe oocr ooer oooo oore oque orbb orbe orbo orbu orce orco ore- oreb orec oreo orer oro- oroe oror orro orub oucc ouer our- oure ouro ouu- q-be qcue qere qero qerq qobu qoob qore qqqq qube qubo qucu quee quer quob quoc quor quro quu- rbbb rbbr rcbc rcbo rccb rccc rebb rebe rebo rebu recc rece recr recu reeb reou rere rero reru reue reuu rob- robb robe robo robu rocc roce roco roer roob roor rorc rore roro roru roub roue rrrr rubb rube rubu ruce ruer rurc rure ruro ruru ubbe ubbo uber uboc ucbc ucrc uocc uor- uore uqcc urbe ure- uro- uroo urre uruq urur uuoc uuuu

bbbee bbqer be-er be-ro beber becco becue beebe beour beque berbe bercu berec berob beroe beror berre berru beuer beure bo-bo boboc bobr bobre bocce bocor boece boero boeur booce booco booer boore booru borbo borce borec boree borer boro- boroo borou borre borro bouce boucq bouee bouer boure brebu brece breer breo- breoc brere breu- brobo broce broer broue brrrr bruce bruer bubbe buber bucco buceo bucur burcu buroo burro burru buruc buruq c-cor ccccc cebec ceber ceco- ceere ceoce ceoor cerbu cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro co-bo co-co cobbe cobre cobue cocc- cocce cocco coceo cocur coeur cooee cooer coore coque coquo corbe corbo corbu corce core- coree corer coreu coro- corre couco couer courb coure couru crebe crece creer creo- creu- creue croce croco crocq crooe crore cruce crucq cruor crure cubbe cubeb cuber cubo- cubub cuero cuoco cuore curce curer curre curro ebber eboue ebure eeeee eorre erbbe erber erere eroor erore error eubro eucre euro- eurre o-r-b oboro oboue obreb occur ocoee ocr-b ocree oeco- oo-er oocre ooooo orbec oreco oreo- orere orero orobe orobo oroco oroer orque orube oruce oruro ouoro ource ourcq oure- qorcu qoroq qoruq quebo queeb queer queor quere quero queue quobb quore qureq quruq r-co- rebbe rebec reber recce recco recue recur reece reere reque rere- reree rerob reuer ro-ro robbe robbo robec rober robo- robor robur rocco rocor rocou roero rooer roore rooue roque rorbu rorer rouer roure rubee ruber rubor rucer rucuq ruere rurec u-cee uber- ubobo ucero uouee uqcrb uqcrq ureo- uroob urour urubu uruce urucu uuuuu

bbbbbb bbqrub becque becure beebee berbee berbeo berber berceo berere berour berrer berube beurre bobber boccob boeber boerre boober booboo booue borbor borore bororo boubou boueer bourcq bouree bourou bourre breere breuer brocco brocor brubru bruree bubber bububu bucco- burbur burcer burree burrer c-cube ceecee cerco- ceruce cobber cobbob cocco- cococo coerce coo-er coocoo corour corque coruco coruro couque courbe courbu cource courr- crecco crocco crocer cruro- cubber cubero cubube cucube cucurb curber curour currer curror cururo eburru ecobee eebree erbree errour eururo occour occure ocreo- oooooo orcure orrour ouerre qorqor quebec quebro queece queere querco queror querre queuer quobbe quoque rebbec rebecq rebeuc rebore rebour recore recour recreo recrue recuer recurb recure rerobe reuere reuour robber robeco robecq rococo rocque roucou rubbee