1. Unlike alphabetic codes , there are no reserved numeric codes in ISO 3166-1. 2. Many other improvements have been made to the package-merge algorithm to reduce the alphabetic coding . 3. An advantage of numeric codes over alphabetic codes is script ( writing system ) independence. 4. Each entry is assigned a four-letter alphabetic code , where the first two letters are the deleted alpha-2 code. 5. It does not teach whole words as shapes ( initial sight vocabulary ) prior to learning the alphabetic code . 6. It was painted with German Balkenkreuz and assigned Stammkennzeichen alphabetic code DL + XC with yellow paint on the undersurfaces. 7. The ISO 3166-1 alphabetic codes ( Japanese ), the English alphabet may be unavailable or difficult to use, understand, or correctly interpret. 8. These patterns are just a few examples out of dozens that can be used to help children unpack the challenging English alphabetic code . 9. The same alphabetic code words are used by all agencies, but each agency chooses one of two different sets of numeric code words. 10. FAA Form 7233-4 based on the format specified by ICAO Doc 4444 ) one or more alphabetic codes are placed in box 10.
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