ff0t1t gf0t hf0t1 if0t1t jf0t

450t 550t1 650t1t 750t 850t1

tw1t1 uw1t1t vw1t ww1t1 xw1t1t

in2t1t jn2t kn2t1 ln2t1t mn2t

7d3t 8d3t1 9d3t1t ae3t be3t1