Nambo-Namna is a

Yam Yam or YAM may refer to: Plants and foods *Yam (vegetable), common name for members of ''Dioscorea'' * Taro, known in Malaysia and Singapore as yam * Sweet potato, specifically its orange-fleshed cultivars, often referred to as yams in North Amer ...

language spoken in Western Province, Papua New Guinea. The two varieties are mutually intelligible. They are, *Nambo (Nmbo, Nambu, Nombuio, Tanjuamu, Keraki) *Namna (Tendavi)

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