british columbia bunchberry canada chimakuan languages chinook jargon coast salish coast salish languages columbia-moses language confederated salish and kootenai tribes of the flathead nation consonant dialect edward sapir endangered language extinct language glottalization idaho indigenous languages of the americas infix interior salish languages kalispel katzie klallam language kwantlen language isolate lummi language lushootseed montana montana salish language mosan languages musqueam indian band nehalem nooksack language oregon pacific northwest peter ladefoged quinault reduplication saanich language samish semiahmoo shuswap language similkameen sinkiuse-columbia songhees tait tillamook language united states vowel harmony wakashan languages washington