sum		expression		chars
1		≢#				2
2		≢⍬⍬				3
3		⎕WX				3
4		≢⎕AI			4
5		≢⍕⍬#			4
6		!⎕WX			4
7		≢⎕TS			4
8		⌈*≢⍬⍬			5
9		⊢/⎕D			4
10		⍴⎕D				3
11		⎕D⍳#			4
12		≢⍕↓⎕D			5
13		-/⍒⎕A			5
14		≢⍕⍬⎕D			5
15		≢⍕#⎕D			5
16		⌈**≢#			5
17		≢⍕⊂#⎕D			6
18		⌊⍟⍎⎕D			5
19		⌈⍟⍎⎕D			5
20		+⍨≢⎕D			5
21		⊃⍒⎕Á			4
22		⌈○≢⎕TS			6
23		⌊*○≢#			5
24		⌈*○≢#			5
25		⊃⎕SD			4
26		≢⎕A				3
27		⎕A⍳#			4
28		≢⍕⊂⎕A			5
29		≢⍕#,⎕A			6
30		≢⍕⍬⎕A			5
31		≢⍕#⎕A			5
32		⌈○≢⎕D			5
33		≢⍕#⍬⎕A			6
34		⌊○⎕D⍳#			6
35		⎕UCS⍕#			6
36		≢⎕A,⎕D			6
37		⌈*⍨○≢#			6
38		⌽⍕⎕DR⍬			6
39		⌊○○≢⍕⍬⍬			7
40		≢⍕⎕A⎕D			6
41		⌈+⍨*⎕WX			7
42		≢⍕!⍋⎕D			6
43		⌈⍟!*⎕WX			7
44		⌈○≢⍕⍬⎕D			7
45		+/⍎¨⎕D			6
46		⌊*⍨⍟≢⎕A			7
47		⌊○**≢#			6
48		⌈○**≢#			6
49		×⍨≢⎕TS			6
50		≢⍕⍨⍋⎕D			6
51		≢⍕=⍨⎕A			6
52		+⍨≢⎕A			5