isolated digit recognition

ability of mental arithmetic addition-without-carry gate Capell fan cracked gasoil cyathophorella kyusyuensis grandistipulacea dicotyledonous wood Dupre equation flow control device fuel-fired function of word generalising GM_there-is-there-s-and-there-are house-craft Libanotis lanzhouensis melagueta pepper Petersen Cape power setting quilted stockings stress balls throw the dice