-er -up a-a a-b a-c a-t aaa aab aac aae aak aam aan aao aap aar aat aau ab- aba abb abc abe abk abm abn abo abp abr abt abu ac- aca acb acc ace ack acm acn aco acp acr act acu aea aeb aec aee aek aem aen aeo aep aer aet aeu aka akb akc ake akk akm akn ako akp akr aku ama amb amc ame amk amm amn amo amp amr amt amu an- ana anb anc ane ank anm ann ano anp anr ant anu aoa aob aoc aoe aok aom aon aoo aop aor aot aou ap- apa apb apc ape apk apm apn apo app apr apt apu ar- ara arb arc are ark arm arn aro arp arr art aru at- ata atb atc ate atm atn ato atp atr att atu au- aua aub auc aue auk aum aun auo aup aur aut b-p b-u baa bab bac bae bak bam ban bao bap bar bat bau bba bbb bbc bbe bbk bbm bbn bbo bbp bbr bbt bbu bca bcb bcc bce bck bcm bcn bco bcp bcr bct bcu be- bea beb bec bee bek bem ben beo bep ber bet beu bka bkb bkc bke bkk bkm bkn bko bkp bkr bkt bma bmb bmc bme bmk bmm bmn bmo bmp bmr bmt bmu bna bnb bnc bne bnk bnn bno bnp bnr bnt bnu boa bob boc boe bok bom bon boo bop bor bot bou bpa bpb bpc bpe bpm bpn bpo bpp bpr bpt bpu bra brb bre brk brm brn bro brp brr brt bru bta btb btc bte btk btm btn bto btp btr btt btu bua bub buc bue buk bum bun buo bup bur but buu c-- caa cab cac cae cak cam can cao cap car cat cau cba cbb cbc cbe cbk cbm cbn cbo cbp cbr cbt cbu cca ccb ccc cce cck ccm ccn cco ccp ccr cct ccu ce- cea ceb cec cee cek cem cen ceo cep cer cet ceu cka ckb ckc ckm cko ckt cma cmb cmc cme cmk cmm cmn cmo cmp cmr cmt cmu cn- cna cnb cnc cne cnm cnn cno cnp cnr cnt cnu co- coa cob coc coe cok com con coo cop cor cot cou cpa cpb cpc cpe cpk cpm cpn cpo cpp cpr cpt cpu cra crb crc cre crk crm crn cro crp crr crt cru cta ctb ctc cte ctk ctm ctn cto ctp ctr ctt ctu cua cub cuc cue cuk cum cun cuo cup cur cut cuu eaa eab eac eae eak eam ean eao eap ear eat eau eba ebb ebc ebe ebk ebm ebn ebo ebp ebr ebt ebu ec- eca ecb ecc ece eck ecm ecn eco ecr ect ecu eea eeb eec eee eek eem een eeo eep eer eet eka ekb ekc eke eko ekp ekr ekt eku em- ema emb emc eme emk emm emn emo emp emr emt emu en- ena enb enc ene enk enm enn eno enp enr ent enu eo- eoa eob eoc eoe eok eom eon eoo eop eor eot eou ep- epa epb epc epe epm epn epo epp epr ept epu era erb erc ere erk erm ern ero erp err ert eru eta etb etc ete etk etm etn eto etp etr ett etu eu- eua eub euc eue eun eup eur eut k-t ka- kaa kab kac kae kak kam kan kao kap kar kat kau kba kbb kbc kbe kbk kbm kbn kbo kbp kbr kbu kca kcb kcc kce kck kcm kcn kcp kcr kct kcu ke- kea keb kec kee kek kem ken keo kep ker ket kkb kkc kke kkk kkm kkn kkp kkr kkt kku kma kmb kmc kme kmk kmm kmo kmp kmt kmu kn- kna knc kne knk knm knn kno knp knr knt knu koa kob koc koe kok kom kon koo kop kor kot kou kpa kpc kpe kpk kpm kpn kpo kpp kpr kpt kpu kra krc krk krn kro krp krr krt kru kta ktb ktc kte ktk ktm ktn kto ktp ktr ktt ktu kub kuc kue kuk kum kun kup kur kut kuu m-o m-r maa mab mac mae mak mam man mao map mar mat mau mba mbb mbc mbe mbk mbm mbo mbp mbr mbt mbu mc- mca mcb mcc mce mck mcm mcn mco mcp mcr mct mcu mea meb mec mee mek mem men meo mep mer met meu mka mkb mkc mke mkk mkm mkn mko mkp mkr mkt mku mma mmb mmc mme mmk mmm mmn mmo mmp mmr mmt mmu mna mnb mnc mne mnk mnm mnn mno mnp mnr mnt mnu moa mob moc moe mok mom mon moo mop mor mot mou mpa mpb mpc mpe mpk mpm mpn mpo mpp mpr mpt mpu mra mrb mrc mre mrk mrm mrn mro mrp mrr mrt mru mta mtb mtc mte mtk mtm mtn mto mtp mtr mtt mtu mua mub muc mue muk mum mun mup mur mut muu naa nab nac nae nak nam nan nao nap nar nat nau nba nbb nbc nbe nbk nbm nbn nbo nbp nbr nbt nbu nca ncb ncc nce nck ncm ncn nco ncp ncr nct ncu ne- nea neb nec nee nek nem nen neo nep ner net neu nka nkc nke nkk nkm nkn nko nkp nkr nkt nku nma nmb nmc nme nmk nmm nmn nmo nmp nmr nmt nmu nna nnb nnc nne nnk nnm nnn nno nnp nnt nnu no- noa nob noc noe nok nom non noo nop nor not nou npa npb npc npe npm npn npo npp npr npt npu nra nrb nrc nre nrk nrm nrn nro nrp nrr nrt nru nta ntb ntc nte ntk ntm ntn nto ntp ntr ntt ntu nua nub nuc nue nuk num nun nuo nup nur nut nuu