*\inpyt boyd2[als,als]

! Undefined control sequence.
(*) \inpyt
           boyd2[als,als]
↑\
Type c or C to continue, s or S to scroll all error messages,
	1 or ... or 9 to ignore the next 1 to 9 tokens of input,
	i or I to insert something, x or X to quit.
↑i
*nput boyd2[als,als]

! Whoa---you have to define a font first.
(*) n
     put boyd2[als,als]
(*) \inpyt
           boyd2[als,als]

No output file.