Reorder the words to make sentences.
1. Vietnam / Tay / second / The / largest / are / the / ethnic / in / group.
2. are / The / known / Nung / including / music and poetry / for / folk art / richness/ traditions / their / of.
3. people / a / The / Dao / language / speak / Hmong-Dao / of / language system.
4. not / as / The / Nung / costume / is / colourful / of / the / as / that / of / ethnic / other / groups.
5. The / Ede / built / on / live / in / stilts / in / wooden / villages / longhouses / as / buon / known