-er -ji eee eeg eeo eep eer ees ege egg egi ego egp egr egs eie eig eii eij eio eip eir eis eji ejo ejp eo- eoe eog eoi eoo eop eor eos ep- epe epg epi epo epp epr eps ere erg eri ero erp err ers es- ese esg esi eso esp esr ess g-p ge- gee geg gei geo gep ger ges ggg ggi ggj ggo ggp ggr ggs gie gig gii gij gio gip gir gis gje gjg gjr goe gog goi goo gop gor gos gpe gpg gpi gpo gpp gpr gps gre grg gri grj gro grp grr grs gse gsg gsi gsj gso gsp gsr gss ie- iee ieg iei iej iep ier ies ige igg igi igo igp igr igs iie iii iij iio iip iir iis ije ijg iji ijo ijs io- ioe iog ioi ioj ioo iop ior ios ipe ipg ipi ipo ipp ipr ips ir- ire irg iri irj iro irp irr irs is- ise isg isi isj iso isp isr iss j-i jee jeg jei jej jeo jep jer jes jge jgi jgo jgp jgr jgs jie jig jii jij jio jip jir jis jjg jjj jjp jjr jjs joe jog joi joj joo jop jor jos jpe jpg jpi jpj jpo jpp jpr jps jrg jri jro jrp jrr jrs jse jsg jsi jsj jso jsp jsr jss o-i oee oeg oei oeo oep oer oes oge ogg ogi ogo ogp ogs oie oii oio oip oir ois oje oji ojo ojs oo- oog ooi ooo oop oor oos op- ope opg opi opj opo opp opr ops or- ore org ori oro orp orr ors os- ose osg osi osj oso osp osr oss p-p pee peg pei peo pep per pes pge pgg pgi pgo pgp pgr pgs pie pig pii pij pio pip pir pis pji pjo pjp pjs poe pog poi poo pop por pos ppe ppg ppi ppj ppo ppp ppr pps pre prg pri pro prp prr prs ps- pse psg psi psj pso psp psr pss re- ree reg rei reo rep rer res rge rgg rgi rgo rgp rgr rgs rie rig rii rio rip rir ris rjg rjp rjr roe rog roi roj roo rop ror ros rpe rpg rpi rpo rpp rpr rps rrg rri rrp rrr rrs rse rsg rsi rsj rso rsp rsr rss se- see seg sei sej seo sep ser ses sge sgg sgi sgo sgp sgr sgs sie sig sii sij sio sip sir sis sje sji sjj sjp sjr sjs soe sog soi soj soo sop sor sos spe spg spi spo spp spr sps sr- sre srg sri srj sro srp srr srs ss- sse ssg ssi ssj sso ssp ssr sss