-er a-a aaa aae aag aan aao aap aar aea aee aeg aen aeo aep aer ag- aga age agg agn ago agp agr an- ana ane ang ann ano anp anr aoa aoe aog aon aoo aop aor ap- apa ape apg apn apo app apr ar- ara are arg arn aro arp arr eaa eae eag ean eao eap ear eea eee eeg een eeo eep eer ega ege egg egn ego egp egr en- ena ene eng enn eno enp enr eo- eoa eoe eog eon eoo eop eor ep- epa epe epg epn epo epp epr era ere erg ern ero erp err g-p gaa gae gag gan gao gap gar ge- gea gee geg gen geo gep ger gga ggg ggn ggo ggp ggr gna gne gnn gno gnp gnr goa goe gog gon goo gop gor gpa gpe gpg gpn gpo gpp gpr gra gre grg grn gro grp grr naa nae nag nan nao nap nar ne- nea nee neg nen neo nep ner nga nge ngg ngn ngo ngp nna nne nng nnn nno nnp no- noa noe nog non noo nop nor npa npe npg npn npo npp npr nra nre nrg nrn nro nrp nrr oaa oae oag oan oao oap oar oea oee oeg oen oeo oep oer oga oge ogg ogn ogo ogp on- ona one ong onn ono onp onr oo- ooa oog oon ooo oop oor op- opa ope opg opn opo opp opr or- ora ore org orn oro orp orr p-p paa pae pag pan pao pap par pea pee peg pen peo pep per pga pge pgg pgn pgo pgp pgr pn- pna pne png pnn pno pnp pnr poa poe pog pon poo pop por ppa ppe ppg ppn ppo ppp ppr pra pre prg prn pro prp prr ra- raa rae rag ran rao rap rar re- rea ree reg ren reo rep rer rga rge rgg rgn rgo rgp rgr rna rng rnn rno rnp rnr roa roe rog ron roo rop ror rpa rpe rpg rpn rpo rpp rpr rra rrg rrn rrp rrr