-er a-a a-c aaa aac aae aag aah aan aap aar ac- aca acc ace acg ach acn acp acr aea aec aee aeg aeh aen aep aer ag- aga agc age agg agh agn agp agr aha ahc ahe ahg ahh ahn ahp ahr an- ana anc ane ang anh ann anp anr ap- apa apc ape apg aph apn app apr ar- ara arc are arg arh arn arp arr c-- caa cac cae cag cah can cap car cca ccc cce ccg cch ccn ccp ccr ce- cea cec cee ceg ceh cen cep cer cga cgc cge cgg cgh cgn cgp cgr ch- cha chc che chg chh chn chp chr cn- cna cnc cne cng cnh cnn cnp cnr cpa cpc cpe cpg cph cpn cpp cpr cra crc cre crg crh crn crp crr eaa eac eae eag eah ean eap ear ec- eca ecc ece ecg ech ecn ecr eea eec eee eeg een eep eer ega egc ege egg egh egn egp egr eha ehc ehe ehg ehh ehn ehp ehr en- ena enc ene eng enh enn enp enr ep- epa epc epe epg eph epn epp epr era erc ere erg erh ern erp err g-p gaa gac gae gag gah gan gap gar gca gcc gce gcg gch gcn gcp gcr ge- gea gec gee geg geh gen gep ger gga ggc ggg ggh ggn ggp ggr gha ghc ghe ghg ghh ghn ghp ghr gna gnc gne gnn gnp gnr gpa gpc gpe gpg gph gpn gpp gpr gra grc gre grg grh grn grp grr haa hac hae hag hah han hap har hca hcc hce hcg hch hcn hcp hcr he- hea hec hee heg heh hen hep her hga hgc hge hgg hgh hgn hgp hgr hha hhc hhe hhg hhh hhn hhp hhr hna hnc hne hng hnh hnn hpa hpc hpe hpg hph hpn hpp hpr hr- hra hrc hre hrg hrh hrn hrp hrr naa nac nae nag nah nan nap nar nca ncc nce ncg nch ncn ncp ncr ne- nea nec nee neg neh nen nep ner nga ngc nge ngg ngh ngn ngp nha nhc nhe nhg nhh nhn nhp nhr nna nnc nne nng nnh nnn nnp npa npc npe npg nph npn npp npr nra nrc nre nrg nrn nrp nrr p-p paa pac pae pag pah pan pap par pca pcc pce pcg pch pcn pcp pcr pea pec pee peg peh pen pep per pga pgc pge pgg pgh pgn pgp pgr pha phc phe phg phn php phr pn- pna pnc pne png pnh pnn pnp pnr ppa ppc ppe ppg pph ppn ppp ppr pra prc pre prg prh prn prp prr ra- raa rac rae rag rah ran rap rar rca rcc rce rcg rch rcn rcp rcr re- rea rec ree reg reh ren rep rer rga rgc rge rgg rgh rgn rgp rgr rh- rha rhc rhe rhg rhh rhn rhp rhr rna rnc rng rnh rnn rnp rnr rpa rpc rpe rpg rph rpn rpp rpr rra rrc rrg rrh rrn rrp rrr