-er a-a a-b a-c aaa aab aac aae aag aah aan aap aar aas ab- aba abb abc abe abg abh abn abp abr abs ac- aca acb acc ace acg ach acn acp acr acs aea aeb aec aee aeg aeh aen aep aer aes ag- aga agb agc age agg agh agn agp agr ags aha ahb ahc ahe ahg ahh ahn ahp ahr ahs an- ana anb anc ane ang anh ann anp anr ans ap- apa apb apc ape apg aph apn app apr aps ar- ara arb arc are arg arh arn arp arr ars as- asa asb asc ase asg ash asn asp asr ass b-p baa bab bac bae bag bah ban bap bar bas bba bbb bbc bbe bbg bbh bbn bbp bbr bbs bca bcb bcc bce bcg bch bcn bcp bcr bcs be- bea beb bec bee beg beh ben bep ber bes bga bgb bgc bge bgg bgh bgn bgp bgr bgs bha bhb bhc bhe bhg bhh bhp bhr bhs bna bnb bnc bne bng bnn bnp bnr bns bpa bpb bpc bpe bpg bph bpn bpp bpr bps bra brb bre brg brh brn brp brr brs bsa bsb bsc bse bsg bsh bsn bsp bsr bss c-- caa cab cac cae cag cah can cap car cas cba cbb cbc cbe cbg cbh cbn cbp cbr cbs cca ccb ccc cce ccg cch ccn ccp ccr ccs ce- cea ceb cec cee ceg ceh cen cep cer ces cga cgb cgc cge cgg cgh cgn cgp cgr cgs ch- cha chb chc che chg chh chn chp chr chs cn- cna cnb cnc cne cng cnh cnn cnp cnr cns cpa cpb cpc cpe cpg cph cpn cpp cpr cps cra crb crc cre crg crh crn crp crr crs csa csb csc cse csg csh csn csp csr css eaa eab eac eae eag eah ean eap ear eas eba ebb ebc ebe ebg ebh ebn ebp ebr ebs ec- eca ecb ecc ece ecg ech ecn ecr ecs eea eeb eec eee eeg een eep eer ees ega egb egc ege egg egh egn egp egr egs eha ehb ehc ehe ehg ehh ehn ehp ehr ehs en- ena enb enc ene eng enh enn enp enr ens ep- epa epb epc epe epg eph epn epp epr eps era erb erc ere erg erh ern erp err ers es- esa esb esc ese esg esh esn esp esr ess g-p gaa gab gac gae gag gah gan gap gar gas gba gbc gbe gbg gbh gbn gbp gbr gbs gca gcb gcc gce gcg gch gcn gcp gcr gcs ge- gea geb gec gee geg geh gen gep ger ges gga ggb ggc ggg ggh ggn ggp ggr ggs gha ghb ghc ghe ghg ghh ghn ghp ghr ghs gna gnb gnc gne gnn gnp gnr gns gpa gpb gpc gpe gpg gph gpn gpp gpr gps gra grb grc gre grg grh grn grp grr grs gsa gsb gsc gse gsg gsn gsp gsr gss haa hab hac hae hag hah han hap har has hba hbb hbc hbe hbg hbh hbn hbp hbr hbs hca hcb hcc hce hcg hch hcn hcp hcr hcs he- hea heb hec hee heg heh hen hep her hes hga hgb hgc hge hgg hgh hgn hgp hgr hgs hha hhb hhc hhe hhg hhh hhn hhp hhr hhs hna hnb hnc hne hng hnh hnn hns hpa hpb hpc hpe hpg hph hpn hpp hpr hps hr- hra hrb hrc hre hrg hrh hrn hrp hrr hrs hsa hsb hsc hse hsg hsh hsn hsp hsr hss naa nab nac nae nag nah nan nap nar nas nba nbb nbc nbe nbg nbn nbp nbr nbs nca ncb ncc nce ncg nch ncn ncp ncr ncs ne- nea neb nec nee neg neh nen nep ner nes nga ngb ngc nge ngg ngh ngn ngp ngs nha nhb nhc nhe nhg nhh nhn nhp nhr nhs nna nnb nnc nne nng nnh nnn nnp nns npa npb npc npe npg nph npn npp npr nps nra nrb nrc nre nrg nrn nrp nrr nrs nsa nsb nsc nse nsg nsh nsn nsp nsr nss p-p paa pab pac pae pag pah pan pap par pas pba pbb pbc pbe pbg pbn pbp pbr pbs pca pcb pcc pce pcg pch pcn pcp pcr pcs pea peb pec pee peg peh pen pep per pes pga pgb pgc pge pgg pgh pgn pgp pgr pgs pha phb phc phe phg phn php phr phs pn- pna pnb pnc pne png pnh pnn pnp pnr pns ppa ppb ppc ppe ppg pph ppn ppp ppr pps pra prb prc pre prg prh prn prp prr prs ps- psa psb psc pse psg psh psn psp psr pss ra- raa rab rac rae rag rah ran rap rar ras rba rbb rbc rbe rbg rbh rbn rbp rbr rbs rca rcb rcc rce rcg rch rcn rcp rcr rcs re- rea reb rec ree reg reh ren rep rer res rga rgb rgc rge rgg rgh rgn rgp rgr rgs rh- rha rhb rhc rhe rhg rhh rhn rhp rhr rhs rna rnb rnc rng rnh rnn rnp rnr rns rpa rpb rpc rpe rpg rph rpn rpp rpr rps rra rrb rrc rrg rrh rrn rrp rrr rrs rsa rsb rsc rse rsg rsh rsn rsp rsr rss saa sab sac sae sag sah san sap sar sas sba sbb sbc sbe sbg sbh sbn sbp sbr sbs sca scb scc sce scg sch scn scp scr scs se- sea seb sec see seg seh sen sep ser ses sga sgb sgc sge sgg sgh sgn sgp sgr sgs sh- sha shb shc she shg shh shn shp shr shs sna snb snc sne sng snn snp snr sns spa spb spc spe spg sph spn spp spr sps sr- sra srb src sre srg srh