The default chordset of the SpiffChorder is based on one developed jointly by the United States National Aeronautics and Space Administration and a commercial input device manufacturer in the late 1980s, referred to as the "modified NASA" chordset in the SpiffChorder source code and documentation. Since I spend most of my time in a text terminal, I put together a chord chart for the SpiffChorder which fits safely into a standard 80x24 character screen (I made it 78x22 to allow for a one-character border on all sides). I also left four empty entries to accommodate custom macros.

 +----------+---F-N-CN+   +----------+---F-N-CN+   +----------+------F>CF----+
 | -RMI -C- | a A +   |   | PR-- --- | u U ""  |   | P--- --F | ret  kp ret  |
 | P--I --- | b B \ | |   | PR-- -C- | v V ] } |   | ---- --F | lshf kp +    |
 | --M- -C- | c C 7 & |   | P--- --- | w W 5 % |   | PRMI --F | caps kp ins  |
 | --MI --- | d D / ? |   | P--I -C- | x X &   |   | -R-I --F | tab  kp -    |
 | -RMI --- | e E = + |   | -R-- --- | y Y 4 $ |   | --M- --F | bksp kp beg  |
 | P--- -C- | f F 9 ( |   | PR-I --- | z Z ` ~ |   | -RM- --F | del  kp del  |
 | -R-- -C- | g G 8 * |   | ---- -C- | spc 1 ! |   | P-MI --F | sclk kp /    |
 | -RM- --- | h H 00  |   | PR-- N-- | ; :     |   | P-M- --F | ptsc kp *    |
 | ---I --- | i I 2 @ |   | --M- N-- | , <     |   | -R-- --F | rght kp rght |
 | -R-I -C- | j J ()  |   | -RM- N-- | . >     |   | PR-- --F | down kp down |
 | -R-I --- | k K $   |   | -RMI N-- | ' "     |   | PRM- --F | pgdn kp pgdn |
 | ---I -C- | l L 6 ^ |   | P--- N-- | fnc     |   | ---I --F | left kp left |
 | --MI -C- | m M *   |   | -R-- N-- | esc     |   | --MI --F | up   kp up   |
 | PRM- -C- | n N [ { |   | PRM- N-- | lal ral |   | -RMI --F | pgup kp pgup |
 | PRMI -C- | o O 0 ) |   | P--I N-- | ins     |   | PR-I --F | home kp home |
 | -RM- -C- | p P %   |   | PR-I N-- | lct rct |   | P--I --F | end  kp end  |
 | PR-I -C- | q Q ?   |   | PRMI N-- | nml     |   |          |              |
 | --M- --- | r R 3 # |   | PRMI NC- | num     |   |          |              |
 | PRM- --- | s S - _ |   | ---- N-F | brk     |   |          |              |
 | PRMI --- | t T 000 |   | ---- NCF | rst     |   |          |              |
 +----------+---------+   +----------+---------+   +----------+--------------+

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