-er -up a-a a-b a-c a-t aaa aab aac aae aam aan aao aap aar aat aau ab- aba abb abc abe abm abn abo abp abr abt abu ac- aca acb acc ace acm acn aco acp acr act acu aea aeb aec aee aem aen aeo aep aer aet aeu ama amb amc ame amm amn amo amp amr amt amu an- ana anb anc ane anm ann ano anp anr ant anu aoa aob aoc aoe aom aon aoo aop aor aot aou ap- apa apb apc ape apm apn apo app apr apt apu ar- ara arb arc are arm arn aro arp arr art aru at- ata atb atc ate atm atn ato atp atr att atu au- aua aub auc aue aum aun auo aup aur aut b-p b-u baa bab bac bae bam ban bao bap bar bat bau bba bbb bbc bbe bbm bbn bbo bbp bbr bbt bbu bca bcb bcc bce bcm bcn bco bcp bcr bct bcu be- bea beb bec bee bem ben beo bep ber bet beu bma bmb bmc bme bmm bmn bmo bmp bmr bmt bmu bna bnb bnc bne bnn bno bnp bnr bnt bnu boa bob boc boe bom bon boo bop bor bot bou bpa bpb bpc bpe bpm bpn bpo bpp bpr bpt bpu bra brb bre brm brn bro brp brr brt bru bta btb btc bte btm btn bto btp btr btt btu bua bub buc bue bum bun buo bup bur but buu c-- caa cab cac cae cam can cao cap car cat cau cba cbb cbc cbe cbm cbn cbo cbp cbr cbt cbu cca ccb ccc cce ccm ccn cco ccp ccr cct ccu ce- cea ceb cec cee cem cen ceo cep cer cet ceu cma cmb cmc cme cmm cmn cmo cmp cmr cmt cmu cn- cna cnb cnc cne cnm cnn cno cnp cnr cnt cnu co- coa cob coc coe com con coo cop cor cot cou cpa cpb cpc cpe cpm cpn cpo cpp cpr cpt cpu cra crb crc cre crm crn cro crp crr crt cru cta ctb ctc cte ctm ctn cto ctp ctr ctt ctu cua cub cuc cue cum cun cuo cup cur cut cuu eaa eab eac eae eam ean eao eap ear eat eau eba ebb ebc ebe ebm ebn ebo ebp ebr ebt ebu ec- eca ecb ecc ece ecm ecn eco ecr ect ecu eea eeb eec eee eem een eeo eep eer eet em- ema emb emc eme emm emn emo emp emr emt emu en- ena enb enc ene enm enn eno enp enr ent enu eo- eoa eob eoc eoe eom eon eoo eop eor eot eou ep- epa epb epc epe epm epn epo epp epr ept epu era erb erc ere erm ern ero erp err ert eru eta etb etc ete etm etn eto etp etr ett etu eu- eua eub euc eue eun eup eur eut m-o m-r maa mab mac mae mam man mao map mar mat mau mba mbb mbc mbe mbm mbo mbp mbr mbt mbu mc- mca mcb mcc mce mcm mcn mco mcp mcr mct mcu mea meb mec mee mem men meo mep mer met meu mma mmb mmc mme mmm mmn mmo mmp mmr mmt mmu mna mnb mnc mne mnm mnn mno mnp mnr mnt mnu moa mob moc moe mom mon moo mop mor mot mou mpa mpb mpc mpe mpm mpn mpo mpp mpr mpt mpu mra mrb mrc mre mrm mrn mro mrp mrr mrt mru mta mtb mtc mte mtm mtn mto mtp mtr mtt mtu mua mub muc mue mum mun mup mur mut muu naa nab nac nae nam nan nao nap nar nat nau nba nbb nbc nbe nbm nbn nbo nbp nbr nbt nbu nca ncb ncc nce ncm ncn nco ncp ncr nct ncu ne- nea neb nec nee nem nen neo nep ner net neu nma nmb nmc nme nmm nmn nmo nmp nmr nmt nmu nna nnb nnc nne nnm nnn nno nnp nnt nnu no- noa nob noc noe nom non noo nop nor not nou npa npb npc npe npm npn npo npp npr npt npu nra nrb nrc nre nrm nrn nro nrp nrr nrt nru nta ntb ntc nte ntm ntn nto ntp ntr ntt ntu nua nub nuc nue num nun nuo nup nur nut nuu oaa oab oac oae oam oan oao oap oar oat oau ob- oba obb obc obe obm obn obo obp obr obt obu oc- oca ocb occ ocm ocn oco ocp ocr oct ocu oea oeb oec oee oem oen oeo oep oer oet om- oma omb omc ome omm omn omo omp omr omt omu on- ona onb onc one onn ono onp onr ont onu oo- ooa oob ooc oom oon ooo oop oor oot op- opa opb opc ope opm opn opo opp opr opt or- ora orb orc ore orm orn oro orp orr ort oru ot- ota otb otc ote otm otn oto otp otr ott otu ou- oua ouc oue oum oun ouo oup our out p-p paa pab pac pae pam pan pao pap par pat pau pba pbb pbc pbe pbm pbn pbo pbp pbr pbt pbu pca pcb pcc pce pcm pcn pco pcp pcr pct pcu pea peb pec pee pem pen peo pep per pet peu pma pmb pmc pme pmm pmn pmo pmp pmr pmt pmu pn- pna pnb pnc pne pnm pnn pno pnp pnr pnt pnu poa pob poc poe pom pon poo pop por pot pou ppa ppb ppc ppe ppm ppn ppo ppp ppr ppt ppu pra prb prc pre prm prn pro prp prr prt pru pt- pta ptb ptc pte ptm ptn pto ptp ptr ptt ptu pua pub puc pue pum pun pup pur put puu ra- raa rab rac rae ram ran rao rap