Letter frequencies from other languages are available in the Wikipedia article “Letter frequency.”1 The most frequent letters, ordered by frequency, can be memorized with nonsense words such as the following:
English: ETAOIN SHRDLU
Spanish: EAOSR NIDLT
French: ESAIT NRUOL
German: ENISR ATDHU
Italian: EAION LRTSC
Most frequent digraphs
English
Spanish
French
German
Italian
1
TH
DE
ES
ER
ER
2
HE
ES
LE
EN
ON
3
IN
EN
DE
CH
DI
4
ER
EL
EN
DE
EL
5
AN
LA
ON
EI
ES
6
RE
OS
NT
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