tt4bg ut4bg2 vt4b wt4bg xt4bg2

ik5bg2 jk5b kk5bg lk5bg2 mk5b

7a6b 8a6bg 9a6bg2 ab6b bb6bg

w16bg x16bg2 y16b z16bg 016bg2

ls7bg2 ms7b ns7bg os7bg2 ps7b