-al -er a-a a-c aaa aac aae aag aah aal aan aar ac- aca acc ace acg ach acl acn acr aea aec aee aeg aeh ael aen aer ag- aga agc age agg agh agl agn agr aha ahc ahe ahg ahh ahl ahn ahr al- ala alc ale alg alh all aln alr an- ana anc ane ang anh anl ann anr ar- ara arc are arg arh arl arn arr c-- caa cac cae cag cah cal can car cca ccc cce ccg cch ccl ccn ccr ce- cea cec cee ceg ceh cel cen cer cga cgc cge cgg cgh cgl cgn cgr ch- cha chc che chg chh chl chn chr cl- cla clc cle clg clh cll cln clr cn- cna cnc cne cng cnh cnl cnn cnr cra crc cre crg crh crl crn crr eaa eac eae eag eah eal ean ear ec- eca ecc ece ecg ech ecl ecn ecr eea eec eee eeg eel een eer ega egc ege egg egh egl egn egr eha ehc ehe ehg ehh ehl ehn ehr ela elc ele elg elh ell eln elr en- ena enc ene eng enh enl enn enr era erc ere erg erh erl ern err gaa gac gae gag gah gal gan gar gca gcc gce gcg gch gcl gcn gcr ge- gea gec gee geg geh gel gen ger gga ggc ggg ggh ggn ggr gha ghc ghe ghg ghh ghl ghn ghr gla glc gle glg glh gll gln glr gna gnc gne gnl gnn gnr gra grc gre grg grh grl grn grr haa hac hae hag hah hal han har hca hcc hce hcg hch hcl hcn hcr he- hea hec hee heg heh hel hen her hga hgc hge hgg hgh hgl hgn hgr hha hhc hhe hhg hhh hhl hhn hhr hla hlc hle hlg hlh hll hln hlr hna hnc hne hng hnh hnl hnn hr- hra hrc hre hrg hrh hrl hrn hrr la- laa lac lae lag lah lal lan lar lca lcc lce lcg lch lcl lcn lcr lea lec lee leg leh lel len ler lga lgc lge lgg lgh lgl lgn lgr lha lhc lhh lhr lla llc lle llg lll lln llr lna lnc lne lng lnh lnl lnn lnr lra lrc lrg lrh lrn lrr naa nac nae nag nah nal nan nar nca ncc nce ncg nch ncl ncn ncr ne- nea nec nee neg neh nel nen ner nga ngc nge ngg ngh ngl ngn nha nhc nhe nhg nhh nhl nhn nhr nla nlc nle nlg nlh nll nln nlr nna nnc nne nng nnh nnl nnn nra nrc nre nrg nrl nrn nrr ra- raa rac rae rag rah ral ran rar rca rcc rce rcg rch rcl rcn rcr re- rea rec ree reg reh rel ren rer rga rgc rge rgg rgh rgn rgr rh- rha rhc rhe rhg rhh rhl rhn rhr rla rlc rle rlg rlh rll rln rlr rna rnc rng rnh rnn rnr rra rrc rrg rrh rrl rrn rrr