-er a-a a-t aaa aae aag aan aar aas aat aea aee aeg aen aer aes aet ag- aga age agg agn agr ags agt an- ana ane ang ann anr ans ant ar- ara are arg arn arr ars art as- asa ase asg asn asr ass ast at- ata ate atg atn atr ats att eaa eae eag ean ear eas eat eea eee eeg een eer ees eet ega ege egg egn egr egs egt en- ena ene eng enn enr ens ent era ere erg ern err ers ert es- esa ese esg esn esr ess est eta ete etg etn etr ets ett gaa gae gag gan gar gas gat ge- gea gee geg gen ger ges get gga ggg ggn ggr ggs ggt gna gne gnn gnr gns gnt gra gre grg grn grr grs grt gsa gse gsg gsn gsr gss gst gta gte gtg gtn gtr gts gtt naa nae nag nan nar nas nat ne- nea nee neg nen ner nes net nga nge ngg ngn ngs ngt nna nne nng nnn nns nnt nra nre nrg nrn nrr nrs nrt nsa nse nsg nsn nsr nss nst nta nte ntg ntn ntr nts ntt ra- raa rae rag ran rar ras rat re- rea ree reg ren rer res ret rga rge rgg rgn rgr rgs rgt rna rng rnn rnr rns rnt rra rrg rrn rrr rrs rrt rsa rse rsg rsn rsr rss rst rta rte rtg rtn rtr rts rtt saa sae sag san sar sas sat se- sea see seg sen ser ses set sga sge sgg sgn sgr sgs sgt sna sne sng snn snr sns snt sr- sra sre srg srn srr srs srt ss- ssa sse ssg ssn ssr sss sst sta ste stg stn str sts stt taa tae tag tan tar tas tat te- tea tee teg ten ter tes tet tga tge tgg tgn tgr tgs tgt tna tne tng tnn tnr tns tnt tra tre trg trn trr trs trt tsa tse tsg tsn tsr tss tst tta tte ttg ttn ttr tts ttt