CSX milepost prefixes in Waycross, Georgia, 587 miles south of Richmond on the branch to Montgomery, Alabama (which splits near milepost 548 in Jesup). Three-letter prefixes are used for minor branches of these branches, or minor branches off the mainline - for instance ANA is the northernmost branch of AN. Before the ACL merged into the Seaboard Coast Line Railroad in 1967, none of the prefixes had the initial "A". The letters "I" and "Q" were skipped, and double-lettered prefixes (like KK, which would be AKK post-1967) were not used. A is given to the main line from Richmond, Virginia to Port of
Comanche language on long vowel. Also, the "initial syllable never weakens to the point of voicelessness" Alternating stress occurs when there are words with three four, five and six syllables. In addition alternating stress is given "when nouns of compound are coequal, a root or stem has one-syllable suffix." Also, prefixes or not stem-changes do not receive an indicial stress because the alternating stress "begins on the second syllable as in the following word of six syllables, following the pattern of five-syllable words." An example is [wu.hká.ʔa.mí.ʔanu] which means 'went to cut down'. An examples of alternating stress in a four, five