-er a-a a-c aaa aac aae aag aah aan aap aar aas ac- aca acc ace acg ach acn acp acr acs aea aec aee aeg aeh aen aep aer aes ag- aga agc age agg agh agn agp agr ags aha ahc ahe ahg ahh ahn ahp ahr ahs an- ana anc ane ang anh ann anp anr ans ap- apa apc ape apg aph apn app apr aps ar- ara arc are arg arh arn arp arr ars as- asa asc ase asg ash asn asp asr ass c-- caa cac cae cag cah can cap car cas cca ccc cce ccg cch ccn ccp ccr ccs ce- cea cec cee ceg ceh cen cep cer ces cga cgc cge cgg cgh cgn cgp cgr cgs ch- cha chc che chg chh chn chp chr chs cn- cna cnc cne cng cnh cnn cnp cnr cns cpa cpc cpe cpg cph cpn cpp cpr cps cra crc cre crg crh crn crp crr crs csa csc cse csg csh csn csp csr css eaa eac eae eag eah ean eap ear eas ec- eca ecc ece ecg ech ecn ecr ecs eea eec eee eeg een eep eer ees ega egc ege egg egh egn egp egr egs eha ehc ehe ehg ehh ehn ehp ehr ehs en- ena enc ene eng enh enn enp enr ens ep- epa epc epe epg eph epn epp epr eps era erc ere erg erh ern erp err ers es- esa esc ese esg esh esn esp esr ess g-p gaa gac gae gag gah gan gap gar gas gca gcc gce gcg gch gcn gcp gcr gcs ge- gea gec gee geg geh gen gep ger ges gga ggc ggg ggh ggn ggp ggr ggs gha ghc ghe ghg ghh ghn ghp ghr ghs gna gnc gne gnn gnp gnr gns gpa gpc gpe gpg gph gpn gpp gpr gps gra grc gre grg grh grn grp grr grs gsa gsc gse gsg gsn gsp gsr gss haa hac hae hag hah han hap har has hca hcc hce hcg hch hcn hcp hcr hcs he- hea hec hee heg heh hen hep her hes hga hgc hge hgg hgh hgn hgp hgr hgs hha hhc hhe hhg hhh hhn hhp hhr hhs hna hnc hne hng hnh hnn hns hpa hpc hpe hpg hph hpn hpp hpr hps hr- hra hrc hre hrg hrh hrn hrp hrr hrs hsa hsc hse hsg hsh hsn hsp hsr hss naa nac nae nag nah nan nap nar nas nca ncc nce ncg nch ncn ncp ncr ncs ne- nea nec nee neg neh nen nep ner nes nga ngc nge ngg ngh ngn ngp ngs nha nhc nhe nhg nhh nhn nhp nhr nhs nna nnc nne nng nnh nnn nnp nns npa npc npe npg nph npn npp npr nps nra nrc nre nrg nrn nrp nrr nrs nsa nsc nse nsg nsh nsn nsp nsr nss p-p paa pac pae pag pah pan pap par pas pca pcc pce pcg pch pcn pcp pcr pcs pea pec pee peg peh pen pep per pes pga pgc pge pgg pgh pgn pgp pgr pgs pha phc phe phg phn php phr phs pn- pna pnc pne png pnh pnn pnp pnr pns ppa ppc ppe ppg pph ppn ppp ppr pps pra prc pre prg prh prn prp prr prs ps- psa psc pse psg psh psn psp psr pss ra- raa rac rae rag rah ran rap rar ras rca rcc rce rcg rch rcn rcp rcr rcs re- rea rec ree reg reh ren rep rer res rga rgc rge rgg rgh rgn rgp rgr rgs rh- rha rhc rhe rhg rhh rhn rhp rhr rhs rna rnc rng rnh rnn rnp rnr rns rpa rpc rpe rpg rph rpn rpp rpr rps rra rrc rrg rrh rrn rrp rrr rrs rsa rsc rse rsg rsh rsn rsp rsr rss saa sac sae sag sah san sap sar sas sca scc sce scg sch scn scp scr scs se- sea sec see seg seh sen sep ser ses sga sgc sge sgg sgh sgn sgp sgr sgs sh- sha shc she shg shh shn shp shr shs sna snc sne sng snn snp snr sns spa spc spe spg sph spn spp spr sps sr- sra src sre srg srh srn srp srr srs ss- ssa ssc sse ssg ssh ssn ssp ssr sss