The phrase "and the second letter" is correct and usable in written English.
It can be used when referring to the second letter of a word, phrase, or sequence in a specific context.
Example: "In the word 'apple', and the second letter is 'p'."
Alternatives: "as for the second letter" or "regarding the second letter".
The First Letter of Paul to the Corinthians and The Second Letter of Paul to the Corinthians are now respectively the seventh and eighth books of the New Testament canon.
Take the last letter of your first name and the second letter of your last name.
The first letter of the specimen ID is the core material, and the second letter the face sheet material.
The first letter for a shear wave is the oscillation direction, and the second letter is the propagation direction.
The first letter represents one of 21 chapters and the second letter defines the sub-chapter, narrowing down the treatment area (see Fig. 2).
The first letter indicates whether the edge is left (L) or right (R) edge, and the second letter indicates whether the edge belongs to subject (S) or clip (C) polygon.
Bradley was touched that Foley had taken the extra trouble, and presented the second letter to his children as a model of grace.
The first letter and call addressed PA; the second letter and call focused on fruit and vegetable consumption.
Draw the letter 'e' using straight lines and connected to the second letter.
Go back to the beginning and, starting with the second letter, write down every other letter until you've reached the end.
The observed and expected mean frequencies for all phenotype combinations involved in the social interaction were calculated: MM, MU, UU and UM, where the giveŕs phenotype is indicated by the first letter and the receiveŕs phenotype by the second letter.
