Here's a table mapping Knob values and CC values to words for the Speech oscillator.
The Wave knob selects the category.
The Timbre knob adjusts the formant.
The Shape knob selects the word within the category
The shown Shape values are rounded up to the nearest integer value (because it was impossible to match the values in the synth precisely in the source spreadsheet (strange rounding/truncating/whatever in the synth) and it gives less clutter in the table).
The category (Wave) parameter has hysteresis and the table shows the values going upwards (you have to go past the shown value when going downwards to hit the previous category). The CCs work fine in this respect.
Below is an ASCII table, and there's a PDF file attached.
The table columns are the category/formant/vowels/words, the parameter values and the CC values.
The two first sections are for the Wave and Timbre parameters and the remaining sections are for the Shape parameter for each category.
Wave:category Wave CC 10
-------------------------------- ------------- -------
vowels, range of formants 0,0 - 42,4 0 - 53
colours 42,5 54
numbers 54,6 70
letters and phonetics 66,9 85
phonetic 78,8 101
synth terms 90,9 116
Timbre: formant Timbre CC 12
-------------------------------- ------------- -------
low formant 0,0 0
mid formant good clarity 50,0 64
high formant 100,0 127
Shape:vowels Shape CC 13
-------------------------------- ------------- -------
a..e..i..o..u..y 0,0 - 100,0 0 - 127
Shape:colours
--------------------------------
red 0,0 0
orange 15,0 19
yellow 29,0 37
green 43,0 54
blue 58,0 73
indigo 72,0 91
violet 86,0 109
Shape:numbers
--------------------------------
zero 0,0 0
one 10,0 13
two 19,0 25
three 28,0 36
four 37,0 47
five 46,0 59
six 55,0 70
seven 64,0 82
eight 73,0 93
nine 82,0 105
ten 91,0 116
Shape:letters and phonetics
--------------------------------
a alfa 0,0 0
b bravo 4,0 5
c charlie 8,0 10
d delta 12,0 15
e echo 16,0 20
f foxtrot 20,0 25
g golf 24,0 30
h hotel 27,0 35
i india 31,0 40
j juliet 35,0 44
k kilo 39,0 49
l lima 43,0 54
m mike 47,0 59
n november 50,0 64
o oscar 54,0 69
p papa 58,0 74
q quebec 62,0 79
r romeo 66,0 84
s sierra 70,0 88
t tango 74,0 93
u uniform 77,0 98
v victor 81,0 103
w whisky 85,0 108
x xray 89,0 113
y yankee 93,0 118
z zulu 97,0 123
Shape:synth terms
--------------------------------
analog 0,0 0
circuit 5,0 6
clock 10,0 12
control 14,0 18
digital 19,0 24
electronic 23,0 29
filter 28,0 35
frequency 32,0 41
generator 37,0 47
instrument 41,0 52
knob 46,0 58
machine 50,0 64
modular 55,0 70
modulator 60,0 76
operator 64,0 81
oscillator 69,0 87
patch 73,0 93
sequencer 78,0 99
synthesizer 82,0 104
vca 87,0 110
voltage 91,0 116
waveform 96,0 122