-er -up b-p b-u bbb bbc bbe bbm bbo bbp bbr bbu bcb bcc bce bcm bco bcp bcr bcu be- beb bec bee bem beo bep ber beu bmb bmc bme bmm bmo bmp bmr bmu bob boc boe bom boo bop bor bou bpb bpc bpe bpm bpo bpp bpr bpu brb bre brm bro brp brr bru bub buc bue bum buo bup bur buu c-- cbb cbc cbe cbm cbo cbp cbr cbu ccb ccc cce ccm cco ccp ccr ccu ce- ceb cec cee cem ceo cep cer ceu cmb cmc cme cmm cmo cmp cmr cmu co- cob coc coe com coo cop cor cou cpb cpc cpe cpm cpo cpp cpr cpu crb crc cre crm cro crp crr cru cub cuc cue cum cuo cup cur cuu ebb ebc ebe ebm ebo ebp ebr ebu ec- ecb ecc ece ecm eco ecr ecu eeb eec eee eem eeo eep eer em- emb emc eme emm emo emp emr emu eo- eob eoc eoe eom eoo eop eor eou ep- epb epc epe epm epo epp epr epu erb erc ere erm ero erp err eru eu- eub euc eue eup eur m-o m-r mbb mbc mbe mbm mbo mbp mbr mbu mc- mcb mcc mce mcm mco mcp mcr mcu meb mec mee mem meo mep mer meu mmb mmc mme mmm mmo mmp mmr mmu mob moc moe mom moo mop mor mou mpb mpc mpe mpm mpo mpp mpr mpu mrb mrc mre mrm mro mrp mrr mru mub muc mue mum mup mur muu ob- obb obc obe obm obo obp obr obu oc- ocb occ ocm oco ocp ocr ocu oeb oec oee oem oeo oep oer om- omb omc ome omm omo omp omr omu oo- oob ooc oom ooo oop oor op- opb opc ope opm opo opp opr or- orb orc ore orm oro orp orr oru ou- ouc oue oum ouo oup our p-p pbb pbc pbe pbm pbo pbp pbr pbu pcb pcc pce pcm pco pcp pcr pcu peb pec pee pem peo pep per peu pmb pmc pme pmm pmo pmp pmr pmu pob poc poe pom poo pop por pou ppb ppc ppe ppm ppo ppp ppr ppu prb prc pre prm pro prp prr pru pub puc pue pum pup pur puu rbb rbc rbe rbm rbo rbp rbr rbu rcb rcc rce rcm rco rcp rcr rcu re- reb rec ree rem reo rep rer reu rmb rmc rme rmm rmo rmp rmr rob roc roe rom roo rop ror rou rpb rpc rpe rpm rpo rpp rpr rpu rrb rrc rrm rrp rrr rru rub ruc rue rum ruo rup rur ruu ubb ubc ube ubo ubp ubr ubu ucb ucc uce ucm uco ucp ucr ucu ueb uec uee uem uep uer um- umb umc ume umm umo ump umr umu uob uoc uoe uom uoo uop uor up- upb upc upe upm upo upp upr upu ur- urb urc ure urm uro urp urr uru uuc uue uum uur uuu

bbbb bbcm bbeb bbpr bbrc bcbc bcbp bccc bccm bcec bcer bcmp bcor bcpp bcru bcuc bcup bebb bebe bebo becu beeb beem beep beer beme bemu beo- beor bepo berc bere berm bero berr beru beur bmce bmep bmoc bmop bobb bobe bobo bobu boce bocm boco bocu boec boee boeo boep boer bomb bome bomp bomu boob booc booe boom boop boor bope bopp bor- bore borm boro borr boru boue boum boup bour bpcp bpmc bpoe bprc brcb brce breb brec bree brem breo brep brer brmc brob broc broe brom broo bror brou brrm brrr bruc brue brum brup bubb bube bubo bubu bucc buce buco bucu buem buer bueu bum- bumb bump bupc bur- burb bure burm buro burp burr buru c-bo cbbc cbcc cbce cbcm cbcp cbcr cbcu cbec cbee cber cbme cbpc cbpp cbre cbrm ccbc cccb cccc cccm cccp cccu ccee ccmb ccmc ccmm ccmp ccob ccoc ccom ccpe ccpm ccpp ccpr ccrc ccre ccrp ccuc ccup cebp cebu cec- cece cecm ceco cecp ceeb ceec ceem cemb ceme cemm cemp cemr cemu ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cero cerp cmbc cmcc cmec cmmb cmmc cmoc cmpc cmpp cmrr cobb cobe cobo cobu coce coco cocp cocu coep com- comb comc come comm como comp comr comu coob coom coop cope copo copp copr cor- corb corc core corm coro corp corr coub coue coup cour cpbc cpce cpcm cpcu cpeb cpep cper cpme cpmp cppm cpre cprm crbc crbu crcc crce crcr cre- creb crec cree crem creo crep creu crmb crmo crmp crob croc croe crom croo crop cror crpc crub crue crum crup cub- cubb cube cucc cuce cucm cuer cum- cume cump cupe cupo cupp cupr curb cure curo curr ebbc ebbo ebbr ebcc eber eboe eboo ebor ebpo ebro ebru ebur ecbc ecbe eccb eccc ecce eccm ecco ecem ecmp eco- ecop ecou ecpm ecpp ecrc ecrm ecrr ecru eeee eemo eeoc eerc eero embe embo embr emcc emco emer emeu emme emmu emor empc empe emre emup eore epbm epcc epec epee eper epmo epoc epor eppc eppo eppp eprb epro eprp epub erbb erbe ercc erce ercp ereb erec erem erer ermc erme ermo erob eroc eroe eroo erpe errc erre erro erub eruc erum erur eubc euer eumc eur- eurc eure euro mbou mcbc mccc mcep mcmc mcop mcpb mcpc mcpp mcrc mebe mebo mec- mecc mece meco mecr meem meep meer memc meme memo memr memu meoc meor meou mepe mer- merb merc mere merm mero merp meru meum meup mmcc mmcm mmmc mmmm mmor mmpc mmpr mmpu mmrc mmrp mobb mobe mobo moco mome momo momu moob mooc mooe moop moor mope mopp morb more moro moru moue moup mour mpcc mpec mpmc mppc mppe mppp mpro mprp mr-c mrbb mrbm mrcb mrcc mrce mrcp mreb mree mrmc mrrc mube mubo