a-a aaa aae aam aan aao aap aea aee aem aen aeo aep ama ame amm amn amo amp an- ana ane anm ann ano anp aoa aoe aom aon aoo aop ap- apa ape apm apn apo app eaa eae eam ean eao eap eea eee eem een eeo eep em- ema eme emm emn emo emp en- ena ene enm enn eno enp eo- eoa eoe eom eon eoo eop ep- epa epe epm epn epo epp m-o maa mae mam man mao map mea mee mem men meo mep mma mme mmm mmn mmo mmp mna mne mnm mnn mno mnp moa moe mom mon moo mop mpa mpe mpm mpn mpo mpp naa nae nam nan nao nap ne- nea nee nem nen neo nep nma nme nmm nmn nmo nmp nna nne nnm nnn nno nnp no- noa noe nom non noo nop npa npe npm npn npo npp oaa oae oam oan oao oap oea oee oem oen oeo oep om- oma ome omm omn omo omp on- ona one onn ono onp oo- ooa oom oon ooo oop op- opa ope opm opn opo opp p-p paa pae pam pan pao pap pea pee pem pen peo pep pma pme pmm pmn pmo pmp pn- pna pne pnm pnn pno pnp poa poe pom pon poo pop ppa ppe ppm ppn ppo ppp