Arrow controls always move between adjacent letters in current word

As guess letters are entered, 'next' letter is automatically selected
If Skip-Letter is disabled [default], next letter is adjacent letter (stopping at end of word)

If Skip-Letter is enabled, next letter in current word is
empty: with wraparound
incorrect: if Check-Input enabled
pencilled: if Check-Pencil enabled


If Skip Word is disabled [default], Select key moves to next word in current direction

If Skip Word is enabled, next word has letter(s)
empty: with wraparound to beginning of puzzle
incorrect: if Check-Input enabled
pencilled: if Check-Pencil enabled

Set: save any changes
