-er a-a a-t aaa aae aag aan aap aar aas aat aea aee aeg aen aep aer aes aet ag- aga age agg agn agp agr ags agt an- ana ane ang ann anp anr ans ant ap- apa ape apg apn app apr aps apt ar- ara are arg arn arp arr ars art as- asa ase asg asn asp asr ass ast at- ata ate atg atn atp atr ats att eaa eae eag ean eap ear eas eat eea eee eeg een eep eer ees eet ega ege egg egn egp egr egs egt en- ena ene eng enn enp enr ens ent ep- epa epe epg epn epp epr eps ept era ere erg ern erp err ers ert es- esa ese esg esn esp esr ess est eta ete etg etn etp etr ets ett g-p gaa gae gag gan gap gar gas gat ge- gea gee geg gen gep ger ges get gga ggg ggn ggp ggr ggs ggt gna gne gnn gnp gnr gns gnt gpa gpe gpg gpn gpp gpr gps gpt gra gre grg grn grp grr grs grt gsa gse gsg gsn gsp gsr gss gst gta gte gtg gtn gtp gtr gts gtt naa nae nag nan nap nar nas nat ne- nea nee neg nen nep ner nes net nga nge ngg ngn ngp ngs ngt nna nne nng nnn nnp nns nnt npa npe npg npn npp npr nps npt nra nre nrg nrn nrp nrr nrs nrt nsa nse nsg nsn nsp nsr nss nst nta nte ntg ntn ntp ntr nts ntt p-p paa pae pag pan pap par pas pat pea pee peg pen pep per pes pet pga pge pgg pgn pgp pgr pgs pgt pn- pna pne png pnn pnp pnr pns pnt ppa ppe ppg ppn ppp ppr pps ppt pra pre prg prn prp prr prs prt ps- psa pse psg psn psp psr pss pst pt- pta pte ptg ptn ptp ptr pts ptt ra- raa rae rag ran rap rar ras rat re- rea ree reg ren rep rer res ret rga rge rgg rgn rgp rgr rgs rgt rna rng rnn rnp rnr rns rnt rpa rpe rpg rpn rpp rpr rps rpt rra rrg rrn rrp rrr rrs rrt rsa rse rsg rsn rsp rsr rss rst rta rte rtg rtn rtp rtr rts rtt saa sae sag san sap sar sas sat se- sea see seg sen sep ser ses set sga sge sgg sgn sgp sgr sgs sgt sna sne sng snn snp snr sns snt spa spe spg spn spp spr sps spt sr- sra sre srg srn srp srr srs srt ss- ssa sse ssg ssn ssp ssr sss sst sta ste stg stn stp str sts stt taa tae tag tan tap tar tas tat te- tea tee teg ten tep ter tes tet tga tge tgg tgn tgp tgr tgs tgt tna tne tng tnn tnp tnr tns tnt tpa tpe tpg tpn tpp tpr tps tpt tra tre trg trn trp trr trs trt tsa tse tsg tsn tsp tsr tss tst tta tte ttg ttn ttp ttr tts ttt