-er -ey eee eef eeg eeo eep eer ees eey ef- efe eff efg efo efp efr efs ege egf egg ego egp egr egs egy eo- eoe eof eog eoo eop eor eos ep- epe epf epg epo epp epr eps ere erf erg ero erp err ers ery es- ese esf esg eso esp esr ess esy eye eyo eyp eyr eys fee fef feg feo fep fer fes fey ffe fff ffg ffo ffp ffr ffs ffy fge fgf fgg fgp fgr fgs foe fof fog foo fop for fos foy fpe fpg fpo fpp fpr fps fpy fre frf frg fro frp frr frs fry fse fsf fsg fso fsp fsr fss fy- fye fyo fyp g-p ge- gee gef geg geo gep ger ges gey gfe gff gfo gfp gfr gfs gfy ggg ggo ggp ggr ggs goe gof gog goo gop gor gos goy gpe gpf gpg gpo gpp gpr gps gre grf grg gro grp grr grs gry gse gsf gsg gso gsp gsr gss gy- gye gyf gyo gyp gyr gys oee oef oeg oeo oep oer oes oey of- ofe off ofg ofo ofp ofr ofs oge ogf ogg ogo ogp ogs ogy oo- oof oog ooo oop oor oos op- ope opf opg opo opp opr ops opy or- ore orf org oro orp orr ors ory os- ose osf osg oso osp osr oss oye oyo oys p-p pee pef peg peo pep per pes pey pfe pff pfg pfo pfp pfr pfs pfy pge pgf pgg pgo pgp pgr pgs pgy poe pof pog poo pop por pos poy ppe ppf ppg ppo ppp ppr pps pre prf prg pro prp prr prs pry ps- pse psf psg pso psp psr pss psy py- pye pyf pyg pyo pyr pys re- ree ref reg reo rep rer res rey rfe rff rfg rfo rfp rfr rfs rge rgf rgg rgo rgp rgr rgs roe rof rog roo rop ror ros roy rpe rpf rpg rpo rpp rpr rps rrf rrg rrp rrr rrs rse rsf rsg rso rsp rsr rss ry- rye ryf ryg ryo ryr rys ryy se- see sef seg seo sep ser ses sey sfe sff sfg sfo sfp sfr sfs sge sgf sgg sgo sgp sgr sgs soe sof sog soo sop sor sos soy spe spf spg spo spp spr sps spy sr- sre srf srg sro srp srr srs sry ss- sse ssf ssg sso ssp ssr sss sy- sye syg syp syr sys yee yef yeg yeo yep yer yes yey yfe yff yfr yfs ygo yoe yof yog yoo yop yor yos yoy ypf ypg ypo yps yre yrf yrg yro yrp yrs yse ysg yso ysp ysr yss ysy yye yyf yyg yys yyy