-er a-a aaa aae aaf aag aap aar aas aea aee aef aeg aep aer aes af- afa afe aff afg afp afr afs ag- aga age agf agg agp agr ags ap- apa ape apf apg app apr aps ar- ara are arf arg arp arr ars as- asa ase asf asg asp asr ass eaa eae eaf eag eap ear eas eea eee eef eeg eep eer ees ef- efa efe eff efg efp efr efs ega ege egf egg egp egr egs ep- epa epe epf epg epp epr eps era ere erf erg erp err ers es- esa ese esf esg esp esr ess faa fae faf fag fap far fas fea fee fef feg fep fer fes ffa ffe fff ffg ffp ffr ffs fga fge fgf fgg fgp fgr fgs fpa fpe fpg fpp fpr fps fra fre frf frg frp frr frs fsa fse fsf fsg fsp fsr fss g-p gaa gae gaf gag gap gar gas ge- gea gee gef geg gep ger ges gfa gfe gff gfp gfr gfs gga ggg ggp ggr ggs gpa gpe gpf gpg gpp gpr gps gra gre grf grg grp grr grs gsa gse gsf gsg gsp gsr gss p-p paa pae paf pag pap par pas pea pee pef peg pep per pes pfa pfe pff pfg pfp pfr pfs pga pge pgf pgg pgp pgr pgs ppa ppe ppf ppg ppp ppr pps pra pre prf prg prp prr prs ps- psa pse psf psg psp psr pss ra- raa rae raf rag rap rar ras re- rea ree ref reg rep rer res rfa rfe rff rfg rfp rfr rfs rga rge rgf rgg rgp rgr rgs rpa rpe rpf rpg rpp rpr rps rra rrf rrg rrp rrr rrs rsa rse rsf rsg rsp rsr rss saa sae saf sag sap sar sas se- sea see sef seg sep ser ses sfa sfe sff sfg sfp sfr sfs sga sge sgf sgg sgp sgr sgs spa spe spf spg spp spr sps sr- sra sre srf srg srp srr srs ss- ssa sse ssf ssg ssp ssr sss