US Patent 7658561 Modified keyboard arrangement with distinct vowel keys

A key arrangement includes a plurality of keys associated with alphabetic characters that include consonants and vowels. Each key within the plurality of keys is associated with a plurality of consonants and no more than one vowel. The plurality of keys is arranged in a grid pattern having at least five keys. The consonants are arranged in a standard keyboard format. Numbers may also be associated with the keys. A mobile communication device includes the key arrangement, a display, a processor, a housing, and a plurality of toggle switches associated with the keys. A method of using a key arrangement is also described.