Cartesian Product
$$A \times B =$$
{ (friend, charity),
(friend, devotion),
(friend, fasting),
(friend, pilgrimage),
(friend, prayer),
(friend, purity),
(friend, struggle),
(handmaid, charity),
(handmaid, devotion),
(handmaid, fasting),
(handmaid, pilgrimage),
(handmaid, prayer),
(handmaid, purity),
(handmaid, struggle),
(master, charity),
(master, devotion),
(master, fasting),
(master, pilgrimage),
(master, prayer),
(master, purity),
(master, struggle),
(praiseworthy, charity),
(praiseworthy, devotion),
(praiseworthy, fasting),
(praiseworthy, pilgrimage),
(praiseworthy, prayer),
(praiseworthy, purity),
(praiseworthy, struggle),
(sister, charity),
(sister, devotion),
(sister, fasting),
(sister, pilgrimage),
(sister, prayer),
(sister, purity),
(sister, struggle),
(undesirable, charity),
(undesirable, devotion),
(undesirable, fasting),
(undesirable, pilgrimage),
(undesirable, prayer),
(undesirable, purity),
(undesirable, struggle),
(wasteful, charity),
(wasteful, devotion),
(wasteful, fasting),
(wasteful, pilgrimage),
(wasteful, prayer),
(wasteful, purity),
(wasteful, struggle) }
Seven pillars of Ismailism