-er -up a-a a-b a-c a-q aaa aab aac aae aam aao aap aaq aar aau ab- aba abb abc abe abm abo abp abq abr abu ac- aca acb acc ace acm aco acp acq acr acu aea aeb aec aee aem aeo aep aeq aer aeu ama amb amc ame amm amo amp amq amr amu aoa aob aoc aoe aom aoo aop aor aou ap- apa apb apc ape apm apo app apq apr apu aqa aqc aqm aqo aqp aqr ar- ara arb arc are arm aro arp arq arr aru au- aua aub auc aue aum auo aup aur b-p b-u baa bab bac bae bam bao bap baq bar bau bba bbb bbc bbe bbm bbo bbp bbq bbr bbu bca bcb bcc bce bcm bco bcp bcq bcr bcu be- bea beb bec bee bem beo bep beq ber beu bma bmb bmc bme bmm bmo bmp bmq bmr bmu boa bob boc boe bom boo bop boq bor bou bpa bpb bpc bpe bpm bpo bpp bpr bpu bqc bqe bqp bra brb bre brm bro brp brq brr bru bua bub buc bue bum buo bup bur buu c-- caa cab cac cae cam cao cap caq car cau cba cbb cbc cbe cbm cbo cbp cbq cbr cbu cca ccb ccc cce ccm cco ccp ccr ccu ce- cea ceb cec cee cem ceo cep ceq cer ceu cma cmb cmc cme cmm cmo cmp cmq cmr cmu co- coa cob coc coe com coo cop coq cor cou cpa cpb cpc cpe cpm cpo cpp cpq cpr cpu cqa cqb cqc cqm cqo cra crb crc cre crm cro crp crq crr cru cua cub cuc cue cum cuo cup cuq cur cuu eaa eab eac eae eam eao eap ear eau eba ebb ebc ebe ebm ebo ebp ebq ebr ebu ec- eca ecb ecc ece ecm eco ecq ecr ecu eea eeb eec eee eem eeo eep eer em- ema emb emc eme emm emo emp emr emu eo- eoa eob eoc eoe eom eoo eop eoq eor eou ep- epa epb epc epe epm epo epp epq epr epu eqa eqe eqp eqq equ era erb erc ere erm ero erp erq err eru eu- eua eub euc eue eup eur m-o m-r maa mab mac mae mam mao map mar mau mba mbb mbc mbe mbm mbo mbp mbq mbr mbu mc- mca mcb mcc mce mcm mco mcp mcq mcr mcu mea meb mec mee mem meo mep meq mer meu mma mmb mmc mme mmm mmo mmp mmr mmu moa mob moc moe mom moo mop mor mou mpa mpb mpc mpe mpm mpo mpp mpq mpr mpu mqa mqb mqp mqr mra mrb mrc mre mrm mro mrp mrq mrr mru mua mub muc mue mum mup mur muu oaa oab oac oae oam oao oap oaq oar oau ob- oba obb obc obe obm obo obp obr obu oc- oca ocb occ ocm oco ocp ocr ocu oea oeb oec oee oem oeo oep oer om- oma omb omc ome omm omo omp omr omu oo- ooa oob ooc oom ooo oop oor op- opa opb opc ope opm opo opp opq opr oqb oqo or- ora orb orc ore orm oro orp orr oru ou- oua ouc oue oum ouo oup our p-p paa pab pac pae pam pao pap paq par pau pba pbb pbc pbe pbm pbo pbp pbr pbu pca pcb pcc pce pcm pco pcp pcq pcr pcu pea peb pec pee pem peo pep per peu pma pmb pmc pme pmm pmo pmp pmq pmr pmu poa pob poc poe pom poo pop por pou ppa ppb ppc ppe ppm ppo ppp ppq ppr ppu pqm pqq pqr pra prb prc pre prm pro prp prq prr pru pua pub puc pue pum pup pur puu qaa qac qam qap qar qau qba qbc qbe qbq qca qcc qcm qco qcp qec qee qem qeo qep qma qmc qme qmp qmr qmu qom qoo qop qor qpc qpm qpp qpr qqq qqu qra qrb qrc qre qrm qrp qru qu- qua que qum quo qur ra- raa rab rac rae ram rao rap raq rar rau rba rbb rbc rbe rbm rbo rbp rbr rbu rca rcb rcc rce rcm rco rcp rcr rcu re- rea reb rec ree rem reo rep req rer reu rma rmb rmc rme rmm rmo rmp rmq rmr roa rob roc roe rom roo rop ror rou rpa rpb rpc rpe rpm rpo rpp rpr rpu rqc rqm rra rrb rrc rrm rrp rrq rrr rru rua rub ruc rue rum ruo rup rur ruu ua- uaa uab uac uae uam uao uap uaq uar uau uba ubb ubc ube ubo ubp ubr ubu uca ucb ucc uce ucm uco ucp ucr ucu uea ueb uec uee uem uep uer um- uma umb umc ume umm umo ump umr umu uoa uob uoc uoe uom uoo uop uor up- upa upb upc upe upm upo upp upr upu ur- ura urb urc ure urm uro urp urr uru uua uuc uue uum uur uuu