DRILLING

dilling 9/13 dirling 9/12 rilling 8/12

idling 8/11 ridgil 8/10 riding 8/10 riglin 7/10 riling 7/10

rigid 7/8 grind 7/9 dilli 6/8 drill 6/8 grill 6/9 indri 6/7 iring 6/8

gild 6/8 ding 6/8 gird 6/7 grid 6/7 dill 5/7 gill 5/8 nidi 5/6 lind 5/7 ling 5/8 irid 5/5 giri 5/6 dirl 5/6 girl 5/7 rind 5/6 girn 5/7 grin 5/7 ring 5/7 nill 4/7 liri 4/5 rill 4/6 nirl 4/6

dig 5/6 gid 5/6 lid 4/5 lig 4/6 din 4/5 nid 4/5 gin 4/6 rid 4/4 rig 4/5 ill 3/5 lin 3/5 nil 3/5 rin 3/4

id 3/3 li 2/3 in 2/3 ln 2/4