-er a-a a-b a-c a-q a-t aaa aab aac aae aam aan aao aaq aar aat aau ab- aba abb abc abe abm abn abo abq abr abt abu ac- aca acb acc ace acm acn aco acq acr act acu aea aeb aec aee aem aen aeo aeq aer aet aeu ama amb amc ame amm amn amo amq amr amt amu an- ana anb anc ane anm ann ano anq anr ant anu aoa aob aoc aoe aom aon aoo aor aot aou aqa aqc aqm aqn aqo aqr aqt ar- ara arb arc are arm arn aro arq arr art aru at- ata atb atc ate atm atn ato atr att atu au- aua aub auc aue aum aun auo aur aut b-u baa bab bac bae bam ban bao baq bar bat bau bba bbb bbc bbe bbm bbn bbo bbq bbr bbt bbu bca bcb bcc bce bcm bcn bco bcq bcr bct bcu be- bea beb bec bee bem ben beo beq ber bet beu bma bmb bmc bme bmm bmn bmo bmq bmr bmt bmu bna bnb bnc bne bnn bno bnr bnt bnu boa bob boc boe bom bon boo boq bor bot bou bqc bqe bqt bra brb bre brm brn bro brq brr brt bru bta btb btc bte btm btn bto btq btr btt btu bua bub buc bue bum bun buo bur but buu c-- caa cab cac cae cam can cao caq car cat cau cba cbb cbc cbe cbm cbn cbo cbq cbr cbt cbu cca ccb ccc cce ccm ccn cco ccr cct ccu ce- cea ceb cec cee cem cen ceo ceq cer cet ceu cma cmb cmc cme cmm cmn cmo cmq cmr cmt cmu cn- cna cnb cnc cne cnm cnn cno cnr cnt cnu co- coa cob coc coe com con coo coq cor cot cou cqa cqb cqc cqm cqo cqt cra crb crc cre crm crn cro crq crr crt cru cta ctb ctc cte ctm ctn cto ctq ctr ctt ctu cua cub cuc cue cum cun cuo cuq cur cut cuu eaa eab eac eae eam ean eao ear eat eau eba ebb ebc ebe ebm ebn ebo ebq ebr ebt ebu ec- eca ecb ecc ece ecm ecn eco ecq ecr ect ecu eea eeb eec eee eem een eeo eer eet em- ema emb emc eme emm emn emo emr emt emu en- ena enb enc ene enm enn eno enr ent enu eo- eoa eob eoc eoe eom eon eoo eoq eor eot eou eqa eqe eqn eqq eqt equ era erb erc ere erm ern ero erq err ert eru eta etb etc ete etm etn eto etr ett etu eu- eua eub euc eue eun eur eut m-o m-r maa mab mac mae mam man mao mar mat mau mba mbb mbc mbe mbm mbo mbq mbr mbt mbu mc- mca mcb mcc mce mcm mcn mco mcq mcr mct mcu mea meb mec mee mem men meo meq mer met meu mma mmb mmc mme mmm mmn mmo mmr mmt mmu mna mnb mnc mne mnm mnn mno mnr mnt mnu moa mob moc moe mom mon moo mor mot mou mqa mqb mqr mqt mra mrb mrc mre mrm mrn mro mrq mrr mrt mru mta mtb mtc mte mtm mtn mto mtr mtt mtu mua mub muc mue mum mun mur mut muu naa nab nac nae nam nan nao nar nat nau nba nbb nbc nbe nbm nbn nbo nbr nbt nbu nca ncb ncc nce ncm ncn nco ncr nct ncu ne- nea neb nec nee nem nen neo ner net neu nma nmb nmc nme nmm nmn nmo nmr nmt nmu nna nnb nnc nne nnm nnn nno nnt nnu no- noa nob noc noe nom non noo nor not nou nqc nqt nra nrb nrc nre nrm nrn nro nrr nrt nru nta ntb ntc nte ntm ntn nto ntq ntr ntt ntu nua nub nuc nue num nun nuo nuq nur nut nuu oaa oab oac oae oam oan oao oaq oar oat oau ob- oba obb obc obe obm obn obo obr obt obu oc- oca ocb occ ocm ocn oco ocr oct ocu oea oeb oec oee oem oen oeo oer oet om- oma omb omc ome omm omn omo omr omt omu on- ona onb onc one onn ono onr ont onu oo- ooa oob ooc oom oon ooo oor oot oqb oqo or- ora orb orc ore orm orn oro orr ort oru ot- ota otb otc ote otm otn oto otr ott otu ou- oua ouc oue oum oun ouo our out qaa qac qam qan qar qat qau qba qbc qbe qbq qca qcc qcm qco qct qec qee qem qen qeo qet qma qmc qme qmr qmu qnb qne qom qoo qor qqq qqu qra qrb qrc qre qrm qrt qru qta qtc qtm qto qtq qtr qu- qua que qum quo qur qut ra- raa rab rac rae ram ran rao raq rar rat rau rba rbb rbc rbe rbm rbn rbo rbr rbt rbu rca rcb rcc rce rcm rcn rco rcr rct rcu re- rea reb rec ree rem ren reo req rer ret reu rma rmb rmc rme rmm rmn rmo rmq rmr rmt rna rnb rnc rnm rnn rno rnr rnt rnu roa rob roc roe rom ron roo ror rot rou rqc rqm rqn rra rrb rrc rrm rrn rrq rrr rrt rru rta rtb rtc rte rtm rtn rto rtq rtr rtt rtu rua rub ruc rue rum run ruo rur rut ruu taa tab tac tae tam tan tao taq tar tat tau tba tbb tbc tbe tbm tbn tbo tbr tbt tbu tca tcb tcc tce tcm tcn tco tcr tct tcu te- tea teb tec tee tem ten teo teq ter tet teu tma tmb tmc tme tmm tmn tmo tmq tmr tmt tmu tna tnb tnc