@@25@@ 20/\Wvi(e|ệ)t\s?nam\W/, /\Wvietnam\swar\W/ 20/\Wvietnamese\W/ /\Wan\s?nam\W/ /\Wc(a|ầ)n\sth(o|ơ)\W/ /\Wchampa\W/ /\Wcochinchin(a|e)\W/ /\Wd(a|à)\s?n(a|ẵ)ng\W/ /\W(d|đ)(o|ô)ng\sb(a|ắ)c\W/ /\W(d|đ)(o|ô)ng\sb(a|ằ)ng\ss(o|ô)ng\W/ /\W(d|đ)(o|ô)ng\snam\sb(o|ộ)\W/ /\Wh(a|à)\s?n(o|ộ)i\W/ /\Wh(a|ạ)\s?long\W/ /\Wh(a|ả)i\s?ph(o|ò)ng\W/ /\Whuế\W/ /\Wh(o|ồ)\sch(i|í)\sminh\W/ /\Wh(o|ộ)i\san\W/ /\Wmekong\sdelta\W/ /\Wnha\strang\W/ /\Wred\sriver\sdelta\W/ /\Wsai\s?gon\W/ /\Wt(a|â)y\sb(a|ắ)c\W/ /\Wtonkin\W/ /\Wtourane\W/ /\Wtrung\sb(o|ộ)\W/ /\Wvi(e|ệ)t\sminh\W/ /\Wvi(e|ệ)t\W/, /\Wvi(e|ệ)t\s?nam\W/, /\Wvietnamese\W/, /\Wvi(e|ệ)t\sminh\W/ /\Wv(i|ĩ)nh\W/ 5/\Wb(i|ì)nh\W/ 5/\Windochin(a|ese)\W/, /\Windochina\swar\W/ 5/\Wm(i|ì)nh\W/, /\Wh(o|ồ)\sch(i|í)\sminh\W/ 5/\Wnguy(e|ễ|ệ)n\W/ 5/\Wtr(i|ị)nh\W/ 5/u(y|ỳ)nh\W/ 5/ấ/ 5/ầ/ 5/ắ/ 5/ằ/ 5/ẫ/ 5/ẵ/ 5/ẩ/ 5/ẳ/ 5/ậ/ 5/ặ/ 5/ả/ 5/ế/ 5/ề/ 5/ễ/ 5/ể/ 5/ệ/ 5/ố/ 5/ồ/ 5/ỗ/ 5/ổ/ 5/ớ/ 5/ờ/ 5/ỡ/ 5/ộ/ 5/ở/ 5/ợ/ 5/ơ/ 5/ứ/ 5/ừ/ 5/ữ/ 5/ử/ 5/ự/ 5/ư/
