Methods, controllers and devices for assembling a word

A method of assembling a word comprising a sequence of letters according to one or more word assembly conventions, the method comprising:

• storing in a memory a sequence of one or more letters of the word;
• locating by a word locator of a processor both a set of one or more valid words and a set of one or more additional valid words from a plurality of possible words stored in a words database, each valid word comprising a sequence of one or more letters corresponding to the sequence of letters stored in the memory, each additional valid word comprising a sequence of one or more letters corresponding to a subset of the sequence of letters stored in the memory;
• receiving, after the locating, by the processor a user input from a keyboard device having a plurality of keys respectively associated with a plurality of possible letters, the received user input corresponding to one of the keys of the keyboard device;
• determining by a letter determiner of the processor whether or not a user input letter is a valid subsequent letter that validly continues from the sequence of letters stored in the memory based on both the set of valid words and the set of additional valid words located by the word locator, the user input letter being the possible letter associated with the key of the keyboard device corresponding to the user input received by the processor;
• and
• adding by a letter adder of the processor to the stored sequence of letters of the word either (i) the user input letters, when the letter determiner determines that the user input letter is a valid subsequent letter that validly continues from the sequence of letters stored in the memory based on both the located set of valid words and the located set of additional valid words, or (ii) a closest valid subsequent letter, when the letter determiner determines that the user input letter is not a valid subsequent letter that validly continues from the sequence of letters stored in the memory based on both the located set of valid words and the located set of additional valid words,
• wherein the method further comprises:
• controlling by a display controller of the processor a display to display the keys of the keyboard device;
• and
• in response to the word locator locating the set of valid words:
• determining by the letter determiner a set of one or more valid subsequent letters based on the set of valid words located by the word locator, wherein each valid subsequent letter validly continues from the sequence of letters stored in the memory;
• controlling the display by the display controller to modify the display of the key associated with each valid subsequent letter;
• determining by a key position determiner of the processor a display position of the key associated with the possible letter corresponding to each valid subsequent letter;
• and
• determining by a closest key determiner of the processor the closest valid subsequent letter based on which one of the keys associated with the possible letters corresponding to the valid subsequent letters is displayed closest to the key corresponding to the user input.