-er a-a a-i aaa aae aag aai aan aao aap aar aea aee aeg aei aen aeo aep aer ag- aga age agg agi agn ago agp agr ai- aia aie aig aii ain aio aip air an- ana ane ang ani ann ano anp anr aoa aoe aog aoi aon aoo aop aor ap- apa ape apg api apn apo app apr ar- ara are arg ari arn aro arp arr eaa eae eag eai ean eao eap ear eea eee eeg een eeo eep eer ega ege egg egi egn ego egp egr eia eie eig eii ein eio eip eir en- ena ene eng eni enn eno enp enr eo- eoa eoe eog eoi eon eoo eop eor ep- epa epe epg epi epn epo epp epr era ere erg eri ern ero erp err g-p gaa gae gag gai gan gao gap gar ge- gea gee geg gei gen geo gep ger gga ggg ggi ggn ggo ggp ggr gia gie gig gii gin gio gip gir gna gne gni gnn gno gnp gnr goa goe gog goi gon goo gop gor gpa gpe gpg gpi gpn gpo gpp gpr gra gre grg gri grn gro grp grr ia- iaa iae iag iai ian iao iap iar ie- iea iee ieg iei ien iep ier iga ige igg igi ign igo igp igr iia iie iii iin iio iip iir in- ina ine ing ini inn ino inp inr io- ioa ioe iog ioi ion ioo iop ior ipa ipe ipg ipi ipn ipo ipp ipr ir- ira ire irg iri irn iro irp irr n-i naa nae nag nai nan nao nap nar ne- nea nee neg nei nen neo nep ner nga nge ngg ngi ngn ngo ngp nia nie nig nii nin nio nip nir nna nne nng nni nnn nno nnp no- noa noe nog noi non noo nop nor npa npe npg npi npn npo npp npr nra nre nrg nri nrn nro nrp nrr o-i oaa oae oag oai oan oao oap oar oea oee oeg oei oen oeo oep oer oga oge ogg ogi ogn ogo ogp oia oie oii oin oio oip oir on- ona one ong oni onn ono onp onr oo- ooa oog ooi oon ooo oop oor op- opa ope opg opi opn opo opp opr or- ora ore org ori orn oro orp orr p-p paa pae pag pai pan pao pap par pea pee peg pei pen peo pep per pga pge pgg pgi pgn pgo pgp pgr pia pie pig pii pin pio pip pir pn- pna pne png pni pnn pno pnp pnr poa poe pog poi pon poo pop por ppa ppe ppg ppi ppn ppo ppp ppr pra pre prg pri prn pro prp prr ra- raa rae rag rai ran rao rap rar re- rea ree reg rei ren reo rep rer rga rge rgg rgi rgn rgo rgp rgr ria rie rig rii rin rio rip rir rna rng rni rnn rno rnp rnr roa roe rog roi ron roo rop ror rpa rpe rpg rpi rpn rpo rpp rpr rra rrg rri rrn rrp rrr