s/^a/A/
s/^b/B/
s/^c/C/
s/^d/D/
s/^e/E/
s/^f/F/
s/^g/G/
s/^h/H/
s/^i/I/
s/^j/J/
s/^k/K/
s/^l/L/
s/^m/M/
s/^n/N/
s/^o/O/
s/^p/P/
s/^q/Q/
s/^r/R/
s/^s/S/
s/^t/T/
s/^u/U/
s/^v/V/
s/^w/W/
s/^x/X/
s/^y/Y/
s/^z/Z/
