Pún chiu ūi tī leh Be̍k-se-ko tang-pak-pō͘, tang-lâm-pêng ū Veracruz, sai-lâm-pêng sī San Luis Potosí, sai-pêng koh ū Nuevo León. Pa-pêng sī kap Bí-kok 370 kong-lí tn̂g ê Bí Be̍k pian-kài, tùi-bīn sī Bí-kok ê Texas.