macbook# grep -vi '[ai]' indian-names | perl -pe 's/$/,/' | fmt
Älsé, Beothuks, Cherokee, Chetco, Cheyenne, Chocheno, Cholon, Comox,
Coos, Coso, Cree, Creek, Crow, Cruzeño, Cupeño, Dene, Eenou, Eeyou,
Endeve, Esselen, Euchee, Eudeve, Excelen, Fox, Goshute, Gros Ventre,
Gulf, Hän, Heve, Hochunk, Ho-Chunk, Huelel, Huron, Jemez, Keres,
Konkow, Koso, Koyukon, Lecesem, Lnu, L’nu’k, L’nuk, Lnuk, Lokono,
Loucheux, Loup, Lumbee, Lushootseed, Mengwe, Modoc, Mono, Muncey,
Munsee, Muscogee, Muskogee, Mutsun, Mvskoke, Nde, Nee-me-poo, Newe,