-er -up a-a a-b a-c aaa aab aac aae aaf aag aah aan aao aap aar aas aau ab- aba abb abc abe abf abg abh abn abo abp abr abs abu ac- aca acb acc ace acf acg ach acn aco acp acr acs acu aea aeb aec aee aef aeg aeh aen aeo aep aer aes aeu af- afa afb afc afe aff afg afh afn afo afp afr afs afu ag- aga agb agc age agf agg agh agn ago agp agr ags agu aha ahb ahc ahe ahf ahg ahh ahn aho ahp ahr ahs ahu an- ana anb anc ane anf ang anh ann ano anp anr ans anu aoa aob aoc aoe aof aog aoh aon aoo aop aor aos aou ap- apa apb apc ape apf apg aph apn apo app apr aps apu ar- ara arb arc are arf arg arh arn aro arp arr ars aru as- asa asb asc ase asf asg ash asn aso asp asr ass asu au- aua aub auc aue auf aug auh aun auo aup aur aus b-p b-u baa bab bac bae baf bag bah ban bao bap bar bas bau bba bbb bbc bbe bbf bbg bbh bbn bbo bbp bbr bbs bbu bca bcb bcc bce bcf bcg bch bcn bco bcp bcr bcs bcu be- bea beb bec bee bef beg beh ben beo bep ber bes beu bfa bfb bfc bfe bff bfg bfh bfn bfo bfp bfr bfs bfu bga bgb bgc bge bgf bgg bgh bgn bgo bgp bgr bgs bgu bha bhb bhc bhe bhf bhg bhh bho bhp bhr bhs bhu bna bnb bnc bne bnf bng bnn bno bnp bnr bns bnu boa bob boc boe bof bog boh bon boo bop bor bos bou bpa bpb bpc bpe bpf bpg bph bpn bpo bpp bpr bps bpu bra brb bre brf brg brh brn bro brp brr brs bru bsa bsb bsc bse bsf bsg bsh bsn bso bsp bsr bss bsu bua bub buc bue buf bug buh bun buo bup bur bus buu c-- caa cab cac cae caf cag cah can cao cap car cas cau cba cbb cbc cbe cbf cbg cbh cbn cbo cbp cbr cbs cbu cca ccb ccc cce ccf ccg cch ccn cco ccp ccr ccs ccu ce- cea ceb cec cee cef ceg ceh cen ceo cep cer ces ceu cfa cfb cfc cfe cff cfg cfh cfn cfo cfp cfr cfs cfu cga cgb cgc cge cgg cgh cgn cgo cgp cgr cgs cgu ch- cha chb chc che chf chg chh chn cho chp chr chs chu cn- cna cnb cnc cne cnf cng cnh cnn cno cnp cnr cns cnu co- coa cob coc coe cof cog coh con coo cop cor cos cou cpa cpb cpc cpe cpf cpg cph cpn cpo cpp cpr cps cpu cra crb crc cre crf crg crh crn cro crp crr crs cru csa csb csc cse csf csg csh csn cso csp csr css csu cua cub cuc cue cuf cug cuh cun cuo cup cur cus cuu eaa eab eac eae eaf eag eah ean eao eap ear eas eau eba ebb ebc ebe ebf ebg ebh ebn ebo ebp ebr ebs ebu ec- eca ecb ecc ece ecf ecg ech ecn eco ecr ecs ecu eea eeb eec eee eef eeg een eeo eep eer ees ef- efa efb efc efe eff efg efh efo efp efr efs ega egb egc ege egf egg egh egn ego egp egr egs egu eha ehb ehc ehe ehf ehg ehh ehn eho ehp ehr ehs ehu en- ena enb enc ene enf eng enh enn eno enp enr ens enu eo- eoa eob eoc eoe eof eog eoh eon eoo eop eor eos eou ep- epa epb epc epe epf epg eph epn epo epp epr eps epu era erb erc ere erf erg erh ern ero erp err ers eru es- esa esb esc ese esf esg esh esn eso esp esr ess esu eu- eua eub euc eue euf eug eun eup eur eus faa fab fac fae faf fag fah fan fao fap far fas fau fba fbb fbc fbe fbf fbg fbh fbn fbo fbp fbr fbs fbu fca fcb fcc fce fcf fcg fcn fco fcp fcr fcs fcu fea feb fec fee fef feg feh fen feo fep fer fes feu ffa ffc ffe fff ffg ffh ffn ffo ffp ffr ffs ffu fga fgb fgc fge fgf fgg fgh fgn fgp fgr fgs fha fhb fhc fhe fhf fhg fhh fhn fho fhp fhr fhs fna fnb fnc fne fnf fng fnh fnn fnp fnr fns fnu foa fob foc foe fof fog foh fon foo fop for fos fou fpa fpb fpc fpe fpg fph fpn fpo fpp fpr fps fpu fra frb frc fre frf frg frh frn fro frp frr frs fru fsa fsb fsc fse fsf fsg fsh fsn fso fsp fsr fss fsu fua fub fue fuf fug fun fuo fup fur fus fuu g-p gaa gab gac gae gaf gag gah gan gao gap gar gas gau gba gbc gbe gbf gbg gbh gbn gbo gbp gbr gbs gbu gca gcb gcc gce gcf gcg gch gcn gco gcp gcr gcs gcu ge- gea geb gec gee gef geg geh gen geo gep ger ges geu gfa gfb gfc gfe gff gfh gfo gfp gfr gfs gga ggb ggc ggg ggh ggn ggo ggp ggr ggs ggu gha ghb ghc ghe ghg ghh ghn gho ghp ghr ghs gna gnb gnc gne gnf gnn gno gnp gnr gns gnu goa gob goc goe gof gog goh gon goo gop gor gos gou gpa gpb gpc gpe gpf gpg gph gpn gpo gpp gpr gps gpu gra grb grc gre grf grg grh grn gro grp grr grs gru gsa gsb gsc gse gsf gsg gsn gso gsp gsr gss gsu gu-