-er eee eeg eek eeo eep eer ees eet ege egg egi ego egp egr egs egt eie eig eii eik eio eip eir eis eit eke ekg eki eko ekp ekr eks ekt eo- eoe eog eoi eok eoo eop eor eos eot ep- epe epg epi epo epp epr eps ept ere erg eri erk ero erp err ers ert es- ese esg esi esk eso esp esr ess est ete etg eti etk eto etp etr ets ett g-p ge- gee geg gei gek geo gep ger ges get ggg ggi ggo ggp ggr ggs ggt gie gig gii gik gio gip gir gis git gko gkp gks gkt goe gog goi gok goo gop gor gos got gpe gpg gpi gpk gpo gpp gpr gps gpt gre grg gri grk gro grp grr grs grt gse gsg gsi gsk gso gsp gsr gss gst gte gtg gti gtk gto gtp gtr gts gtt ie- iee ieg iei iek iep ier ies iet ige igg igi igk igo igp igr igs igt iie iii iio iip iir iis iit ike iki ikk iko ikr iks ikt io- ioe iog ioi ioo iop ior ios iot ipe ipg ipi ipo ipp ipr ips ipt ir- ire irg iri irk iro irp irr irs irt is- ise isg isi isk iso isp isr iss ist ite itg iti itk ito itp its itt k-t ke- kee keg kei kek keo kep ker kes ket kgi kgo kgp kgs kie kig kii kik kio kip kir kis kit kke kki kkk kkp kkr kks kkt koe kog koi kok koo kop kor kos kot kpe kpi kpk kpo kpp kpr kps kpt krg kri krk kro krp krr krs krt kse ksg ksi ksk kso ksp ksr kss kst kte ktg ktk kto ktp ktr kts ktt o-i oee oeg oei oeo oep oer oes oet oge ogg ogi ogo ogp ogs ogt oie oii oik oio oip oir ois oit oke okg oki okk oko okp okr oks oo- oog ooi ook ooo oop oor oos oot op- ope opg opi opk opo opp opr ops opt or- ore org ori ork oro orp orr ors ort os- ose osg osi osk oso osp osr oss ost ot- ote otg oti otk oto otp otr ots ott p-p pee peg pei pek peo pep per pes pet pge pgg pgi pgk pgo pgp pgr pgs pgt pie pig pii pik pio pip pir pis pit pke pkg pki pko pkp pkr pks pkt poe pog poi pok poo pop por pos pot ppe ppg ppi ppk ppo ppp ppr pps ppt pre prg pri prk pro prp prr prs prt ps- pse psg psi psk pso psp psr pss pst pt- pte ptg pti ptk pto ptp ptr pts ptt re- ree reg rei rek reo rep rer res ret rge rgg rgi rgk rgo rgp rgr rgs rgt rie rig rii rik rio rip rir ris rit rke rkg rkk rko rkp rks rkt roe rog roi rok roo rop ror ros rot rpe rpg rpi rpk rpo rpp rpr rps rpt rrg rri rrk rrp rrr rrs rrt rse rsg rsi rsk rso rsp rsr rss rst rte rtg rti rtk rto rtp rtr rts rtt se- see seg sei sek seo sep ser ses set sge sgg sgi sgk sgo sgp sgr sgs sgt sie sig sii sik sio sip sir sis sit sk- ske skg ski skk sko skp skr sks skt soe sog soi sok soo sop sor sos sot spe spg spi spk spo spp spr sps spt sr- sre srg sri srk sro srp srr srs srt ss- sse ssg ssi ssk sso ssp ssr sss sst ste stg sti stk sto stp str sts stt te- tee teg tei tek teo tep ter tes tet tge tgg tgi tgk tgo tgp tgr tgs tgt tie tig tii tik tio tip tir tis tit tke tkg tkk tko tkp tkr tks tkt to- toe tog toi tok too top tor tos tot tpe tpg tpi tpk tpo tpp tpr tps tpt tre trg tri trk tro trp trr trs trt tse tsg tsi tsk tso tsp tsr tss tst tte ttg tti ttk tto ttp ttr tts ttt