. "the act of grouping things or people in pairs"@en-us . . "0"^^ . . . . . . "0"^^ . . "100389610"^^ . "the act of grouping things or people in pairs"@en-us . . "100372336"@en-us . "00389610-n"^^ . . "pairing"^^ . "pairing"@en-us . .