letter frequency A .08167 B .01492 C .02782 D .04253 E .12702 F .02288 G .02015 H .06094 I .06966 J .00153 K .00772 L .04025 M .02406 N .06749 O .07507 P .01929 Q .00095 R .05987 S .06327 T .09056 U .02758 V .00978 W .02360 X .00150 Y .01974 Z .00074