-er a-a aaa aae aag aak aam aan aao aar aea aee aeg aek aem aen aeo aer ag- aga age agg agk agm agn ago agr aka ake akg akk akm akn ako akr ama ame amg amk amm amn amo amr an- ana ane ang ank anm ann ano anr aoa aoe aog aok aom aon aoo aor ar- ara are arg ark arm arn aro arr eaa eae eag eak eam ean eao ear eea eee eeg eek eem een eeo eer ega ege egg egm egn ego egr eka eke ekg eko ekr em- ema eme emg emk emm emn emo emr en- ena ene eng enk enm enn eno enr eo- eoa eoe eog eok eom eon eoo eor era ere erg erk erm ern ero err gaa gae gag gak gam gan gao gar ge- gea gee geg gek gem gen geo ger gga ggg ggm ggn ggo ggr gka gkm gkn gko gma gme gmg gmm gmn gmo gmr gna gne gnm gnn gno gnr goa goe gog gok gom gon goo gor gra gre grg grk grm grn gro grr ka- kaa kae kag kak kam kan kao kar ke- kea kee keg kek kem ken keo ker kga kgm kgo kke kkk kkm kkn kkr kma kme kmg kmk kmm kmo kn- kna kne kng knk knm knn kno knr koa koe kog kok kom kon koo kor kra krg krk krn kro krr m-o m-r maa mae mag mak mam man mao mar mea mee meg mek mem men meo mer mga mge mgk mgm mgn mgo mgr mka mke mkg mkk mkm mkn mko mkr mma mme mmg mmk mmm mmn mmo mmr mna mne mng mnk mnm mnn mno mnr moa moe mog mok mom mon moo mor mra mre mrg mrk mrm mrn mro mrr naa nae nag nak nam nan nao nar ne- nea nee neg nek nem nen neo ner nga nge ngg ngk ngm ngn ngo nka nke nkk nkm nkn nko nkr nma nme nmg nmk nmm nmn nmo nmr nna nne nng nnk nnm nnn nno no- noa noe nog nok nom non noo nor nra nre nrg nrk nrm nrn nro nrr oaa oae oag oak oam oan oao oar oea oee oeg oem oen oeo oer oga oge ogg ogn ogo oka oke okg okk oko okr om- oma ome omg omm omn omo omr on- ona one ong onk onn ono onr oo- ooa oog ook oom oon ooo oor or- ora ore org ork orm orn oro orr ra- raa rae rag rak ram ran rao rar re- rea ree reg rek rem ren reo rer rga rge rgg rgk rgn rgo rgr rke rkg rkk rkm rko rma rme rmg rmm rmn rmo rmr rna rng rnm rnn rno rnr roa roe rog rok rom ron roo ror rra rrg rrk rrm rrn rrr