The word structure is similar to that of many language families of East and Central Asia, mainly Sino-Tibetan (Chinese, Tibetan, and Burmese), Austroasiatic (Vietnamese, Khmer, etc.) and possibly Tai (Thai, Lao, etc.).
Certamente, a estrutura de palabras é similar á de moitas familias lingüísticas de Asia Oriental e Central, principalmente a sino-tibetana (chinés, tibetano e birmano), a austroasiática (vietnamita, khemer,...) e talvez a tai (tailandés, lao,... ).