-er a-a aaa aae aag aam aan aao aap aar aea aee aeg aem aen aeo aep aer ag- aga age agg agm agn ago agp agr ama ame amg amm amn amo amp amr an- ana ane ang anm ann ano anp anr aoa aoe aog aom aon aoo aop aor ap- apa ape apg apm apn apo app apr ar- ara are arg arm arn aro arp arr eaa eae eag eam ean eao eap ear eea eee eeg eem een eeo eep eer ega ege egg egm egn ego egp egr em- ema eme emg emm emn emo emp emr en- ena ene eng enm enn eno enp enr eo- eoa eoe eog eom eon eoo eop eor ep- epa epe epg epm epn epo epp epr era ere erg erm ern ero erp err g-p gaa gae gag gam gan gao gap gar ge- gea gee geg gem gen geo gep ger gga ggg ggm ggn ggo ggp ggr gma gme gmg gmm gmn gmo gmp gmr gna gne gnm gnn gno gnp gnr goa goe gog gom gon goo gop gor gpa gpe gpg gpm gpn gpo gpp gpr gra gre grg grm grn gro grp grr m-o m-r maa mae mag mam man mao map mar mea mee meg mem men meo mep mer mga mge mgm mgn mgo mgp mgr mma mme mmg mmm mmn mmo mmp mmr mna mne mng mnm mnn mno mnp mnr moa moe mog mom mon moo mop mor mpa mpe mpg mpm mpn mpo mpp mpr mra mre mrg mrm mrn mro mrp mrr naa nae nag nam nan nao nap nar ne- nea nee neg nem nen neo nep ner nga nge ngg ngm ngn ngo ngp nma nme nmg nmm nmn nmo nmp nmr nna nne nng nnm nnn nno nnp no- noa noe nog nom non noo nop nor npa npe npg npm npn npo npp npr nra nre nrg nrm nrn nro nrp nrr oaa oae oag oam oan oao oap oar oea oee oeg oem oen oeo oep oer oga oge ogg ogn ogo ogp om- oma ome omg omm omn omo omp omr on- ona one ong onn ono onp onr oo- ooa oog oom oon ooo oop oor op- opa ope opg opm opn opo opp opr or- ora ore org orm orn oro orp orr p-p paa pae pag pam pan pao pap par pea pee peg pem pen peo pep per pga pge pgg pgm pgn pgo pgp pgr pma pme pmg pmm pmn pmo pmp pmr pn- pna pne png pnm pnn pno pnp pnr poa poe pog pom pon poo pop por ppa ppe ppg ppm ppn ppo ppp ppr pra pre prg prm prn pro prp prr ra- raa rae rag ram ran rao rap rar re- rea ree reg rem ren reo rep rer rga rge rgg rgn rgo rgp rgr rma rme rmg rmm rmn rmo rmp rmr rna rng rnm rnn rno rnp rnr roa roe rog rom ron roo rop ror rpa rpe rpg rpm rpn rpo rpp rpr rra rrg rrm rrn rrp rrr