-er b-u bbb bbc bbe bbm bbo bbr bbu bbx bcb bcc bce bcm bco bcr bcu bcx be- beb bec bee bem beo ber beu bex bmb bmc bme bmm bmo bmr bmu bmx bob boc boe bom boo bor bou box brb bre brm bro brr bru brx bub buc bue bum buo bur buu bux bxb bxm bxo bxx c-- cbb cbc cbe cbm cbo cbr cbu cbx ccb ccc cce ccm cco ccr ccu ccx ce- ceb cec cee cem ceo cer ceu cex cmb cmc cme cmm cmo cmr cmu cmx co- cob coc coe com coo cor cou cox crb crc cre crm cro crr cru crx cub cuc cue cum cuo cur cuu cxc cxo cxr cxx ebb ebc ebe ebm ebo ebr ebu ebx ec- ecb ecc ece ecm eco ecr ecu ecx eeb eec eee eem eeo eer eex em- emb emc eme emm emo emr emu emx eo- eob eoc eoe eom eoo eor eou erb erc ere erm ero err eru eu- eub euc eue eur eux ex- exc exe exo exr exu exx m-o m-r mbb mbc mbe mbm mbo mbr mbu mbx mc- mcb mcc mce mcm mco mcr mcu mcx meb mec mee mem meo mer meu mex mmb mmc mme mmm mmo mmr mmu mmx mob moc moe mom moo mor mou mox mrb mrc mre mrm mro mrr mru mrx mub muc mue mum mur muu mux mxc mxr mxu ob- obb obc obe obm obo obr obu obx oc- ocb occ ocm oco ocr ocu ocx oeb oec oee oem oeo oer oex om- omb omc ome omm omo omr omu omx oo- oob ooc oom ooo oor oox or- orb orc ore orm oro orr oru orx ou- ouc oue oum ouo our ox- oxb oxc oxo oxx rbb rbc rbe rbm rbo rbr rbu rbx rcb rcc rce rcm rco rcr rcu rcx re- reb rec ree rem reo rer reu rex rmb rmc rme rmm rmo rmr rmx rob roc roe rom roo ror rou rox rrb rrc rrm rrr rru rub ruc rue rum ruo rur ruu rux rxr ubb ubc ube ubo ubr ubu ubx ucb ucc uce ucm uco ucr ucu ueb uec uee uem uer um- umb umc ume umm umo umr umu uob uoc uoe uom uoo uor uox ur- urb urc ure urm uro urr uru urx uuc uue uum uur uuu uxb uxc uxo uxr uxu xbc xbe xbr xbx xcb xcr xcx xee xem xer xeu xex xmc xmm xmo xmr xmu xmx xoc xom xoo xor xox xrc xrx xue xxo xxx

bbbb bbcm bbeb bbox bbrc bcbc bccc bccm bcec bcer bcor bcru bcuc bebb bebe bebo becu beeb beem beer beme bemu beo- beor berc bere berm bero berr beru beur beux bmce bmoc bobb bobe bobo bobu boce bocm boco bocu boec boee boeo boer bomb bome bomu boob booc booe boom boor boox bor- bore borm boro borr boru boue boum bour brcb brce breb brec bree brem breo brer brex brmc brob broc broe brom broo bror brou brox brrm brrr bruc brue brum brux bubb bube bubo bubu bucc buce buco bucu buem buer bueu bum- bumb bur- burb bure burm buro burr buru c-bo cbbc cbcc cbce cbcm cbcr cbcu cbec cbee cber cbme cbox cbre cbrm cbux ccbc cccb cccc cccm cccu ccee ccmb ccmc ccmm ccob ccoc ccom ccrc ccre ccuc cebu cec- cece cecm ceco ceeb ceec ceem cemb ceme cemm cemr cemu ceor ceou cer- cerc cere cero ceux cexe cmbc cmbx cmcc cmec cmmb cmmc cmoc cmrr cobb cobe cobo cobu coce coco cocu coex com- comb comc come comm como comr comu coob coom cor- corb corc core corm coro corr coub coue cour coux coxe crbc crbu crcc crce crcr cre- creb crec cree crem creo creu crex crmb crmo crob croc croe crom croo cror crub crue crum crux cub- cubb cube cucc cuce cucm cuer cum- cume curb cure curo curr cxro cxxx ebbc ebbo ebbr ebcc eber eboe eboo ebor ebox ebro ebru ebur ecbc ecbe eccb eccc ecce eccm ecco ecem eco- ecou ecrc ecrm ecrr ecru eeee eemo eeoc eerc eero embe embo embr emcc emco emer emeu emex emme emmu emor emre eore eoux er-x erbb erbe ercc erce ereb erec erem erer ermc erme ermo erob eroc eroe eroo errc erre erro erub eruc erum erur eubc euer eumc eur- eurc eure euro exco exec exer exmr exo- exor exrx exum mbou mbox mcbc mccc mccx mcmc mcmx mcrc mcxc mebe mebo mec- mecc mece meco mecr meem meer memc meme memo memr memu memx meoc meor meou mer- merb merc mere merm mero meru meum meux mexx mmcc mmcm mmcx mmmc mmmm mmor mmrc mmxx mobb mobe mobo moco moex mome momo momu moob mooc mooe moor morb more moro moru moue mour moux moxe moxo mr-c mrbb mrbm mrcb mrcc mrce mreb mree mrmc mrrc mube mubo muc- mucc muce mucu muee mume mumm mumo mumu murc mure muro murr muru muxe muxu o-eo obbo obec ober obex oboe obor obox obre obro ocbc occc oce ocee ocom ocre ocro ocrr ocum ocur oec- oecc oeec oeme oere oerm ombe ombo ombu omee omeo omer omex omo- omoe omoo omor omox omre omro omuo oobe oocr ooer oome oooo oore orbb orbe orbo orbu orce orco ore- oreb orec orem oreo orer orex orme ormo oro- oroe orom oror orro orub orum oucc ouer oume our- oure ouro ouu- oxer oxo- oxox oxxo rbbb rbbr rbmx rcbc rcbo rccb rccc rebb rebe rebo rebu recc rece recm recr recu reeb reem reme remo reou rere rero reru reue reuu reux rexx rob- robb robe robo robu rocc roce roco roer romb rome romm romo roob room roor roox rorc rore roro roru roub roue roum roux roxo rrmc rrrr rrum rubb rube rubu ruce ruer rumb rume rumm