SimilarityRank
2_x 0.855 56928
1x 0.689 55249
x_2 0.681 99518
2x 0.648 35945
+_2 0.647 70240
x2 0.615 67562
+_1 0.581 40649
up_to_2 0.578 72968
up_to_4 0.574 82053
2 0.569 170
x1 0.562 98969
1 0.557 187
3x 0.552 55219
/_2 0.552 25382
(_2 0.547 5504
1_- 0.543 13079
*_1 0.542 71780
up_to_3 0.537 74465
/_4 0.536 45946
approx 0.534 89761
one_(_1_) 0.533 35834
4x 0.532 60933
4 0.526 274
3 0.525 205
x_[number] 0.523 44076