-er a-a aaa aae aag aap aar aas aea aee aeg aep aer aes ag- aga age agg agp agr ags ap- apa ape apg app apr aps ar- ara are arg arp arr ars as- asa ase asg asp asr ass eaa eae eag eap ear eas eea eee eeg eep eer ees ega ege egg egp egr egs ep- epa epe epg epp epr eps era ere erg erp err ers es- esa ese esg esp esr ess g-p gaa gae gag gap gar gas ge- gea gee geg gep ger ges gga ggg ggp ggr ggs gpa gpe gpg gpp gpr gps gra gre grg grp grr grs gsa gse gsg gsp gsr gss p-p paa pae pag pap par pas pea pee peg pep per pes pga pge pgg pgp pgr pgs ppa ppe ppg ppp ppr pps pra pre prg prp prr prs ps- psa pse psg psp psr pss ra- raa rae rag rap rar ras re- rea ree reg rep rer res rga rge rgg rgp rgr rgs rpa rpe rpg rpp rpr rps rra rrg rrp rrr rrs rsa rse rsg rsp rsr rss saa sae sag sap sar sas se- sea see seg sep ser ses sga sge sgg sgp sgr sgs spa spe spg spp spr sps sr- sra sre srg srp srr srs ss- ssa sse ssg ssp ssr sss