xmodmap -pke

returns:

keycode   8 =
keycode   9 = Escape NoSymbol Escape
keycode  10 = 1 exclam 1 exclam onesuperior exclamdown onesuperior
keycode  11 = 2 quotedbl 2 quotedbl twosuperior oneeighth twosuperior
keycode  12 = 3 sterling 3 sterling threesuperior sterling threesuperior
keycode  13 = 4 dollar 4 dollar EuroSign onequarter EuroSign
keycode  14 = 5 percent 5 percent onehalf threeeighths onehalf
keycode  15 = 6 asciicircum 6 asciicircum threequarters fiveeighths threequarters
keycode  16 = 7 ampersand 7 ampersand braceleft seveneighths braceleft
keycode  17 = 8 asterisk 8 asterisk bracketleft trademark bracketleft
keycode  18 = 9 parenleft 9 parenleft bracketright plusminus bracketright
keycode  19 = 0 parenright 0 parenright braceright degree braceright
keycode  20 = minus underscore minus underscore backslash questiondown backslash
keycode  21 = equal plus equal plus dead_cedilla dead_ogonek dead_cedilla
keycode  22 = BackSpace BackSpace BackSpace BackSpace
keycode  23 = Tab ISO_Left_Tab Tab ISO_Left_Tab
keycode  24 = q Q q Q at Greek_OMEGA at
keycode  25 = w W w W lstroke Lstroke lstroke
keycode  26 = e E e E e E e
keycode  27 = r R r R paragraph registered paragraph
keycode  28 = t T t T tslash Tslash tslash
keycode  29 = y Y y Y leftarrow yen leftarrow
keycode  30 = u U u U downarrow uparrow downarrow
keycode  31 = i I i I rightarrow idotless rightarrow
keycode  32 = o O o O oslash Oslash oslash
keycode  33 = p P p P thorn THORN thorn
keycode  34 = bracketleft braceleft bracketleft braceleft dead_diaeresis dead_abovering dead_diaeresis
keycode  35 = bracketright braceright bracketright braceright dead_tilde dead_macron dead_tilde
keycode  36 = Return NoSymbol Return
keycode  37 = Control_L NoSymbol Control_L
keycode  38 = a A a A ae AE ae
keycode  39 = s S s S ssharp section ssharp
keycode  40 = d D d D eth ETH eth
keycode  41 = f F f F dstroke ordfeminine dstroke
keycode  42 = g G g G eng ENG eng
keycode  43 = h H h H hstroke Hstroke hstroke
keycode  44 = j J j J dead_hook dead_horn dead_hook
keycode  45 = k K k K kra ampersand kra
keycode  46 = l L l L lstroke Lstroke lstroke
keycode  47 = semicolon colon semicolon colon dead_acute dead_doubleacute dead_acute
keycode  48 = apostrophe at apostrophe at dead_circumflex dead_caron dead_circumflex
keycode  49 = grave notsign grave notsign bar bar bar
keycode  50 = Shift_L NoSymbol Shift_L
keycode  51 = numbersign asciitilde numbersign asciitilde dead_grave dead_breve dead_grave
keycode  52 = z Z z Z guillemotleft less guillemotleft
keycode  53 = x X x X guillemotright greater guillemotright
keycode  54 = c C c C cent copyright cent
keycode  55 = v V v V leftdoublequotemark leftsinglequotemark leftdoublequotemark
keycode  56 = b B b B rightdoublequotemark rightsinglequotemark rightdoublequotemark
keycode  57 = n N n N n N n