Formula for if any word in a cell starts with a specific letter?

[Bakstaj]

Is there a formula to determine if any word in a cell begins with a specific letter? I am trying to build a workbook for people doing a reading challenge. One challenge is to read a book with a word in the title that starts with each letter of the alphabet. I want to automate it so a column for A would get an "X" if any word in the title starts with an "A" and so on through 26 columns.

 

[FormR]

One example isn't much to go on, but here's a possible formula option.

Book1
	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X	Y	Z	AA	AB	AC	AD	AE	AF	AG	AH	AI	AJ	AK	AL	AM	AN
1															A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X	Y	Z
2			Good Omens																		X								X
3			Pride and Prejudice												X															X
4			To Kill a Mockingbird												X										X		X							X
5			Brave New World													X												X									X
Sheet1

Cell Formulas
Range	Formula
O2:AN5	O2	=IF(ISNUMBER(SEARCH(" "&O$1," "&$C2)),"X","")