Use the lower wordsign for "in" wherever the word it represents occurs provided that any sequence in which it occurs includes a sign with an upper dot. For the purposes of this rule, any type of quotation mark which may be present is considered to have only lower dots. When a capitals indicator or a capitals terminator is present, it is disregarded in determining whether to use the lower wordsign.

Use the lower wordsigns for "enough" and "in" with any number of lower punctuation signs provided the sequence includes a sign with upper dots. For the purposes of this rule, any type of quotation mark which may be present is considered to have only lower dots. If there is not a sign with upper dots in the sequence, do not use the final lower wordsign.

Use the lower groupsign for "be", "con" or "dis" when the letters it represents form the first syllable of a word.

Use any number of lower groupsigns and lower punctuation signs following one another provided the sequence includes a sign with upper dots and no other rules limit their use. For the purposes of this rule, any type of quotation mark which may be present is considered to have only lower dots. If there is not a sign with upper dots in the sequence, do not use the final lower groupsign.

Use the lower groupsign for "be", "con" or "dis" only at the beginning of a word and only when followed by a letter, a contraction, a modified letter or a ligatured letter.

Note: The beginning of a word is defined as the letters-sequence which follows a space, hyphen or dash and which may be preceded by the punctuation and indicator symbols listed in Section 2.6.2, Terminology and General Rules.

Do not use the lower groupsign for "be", "con", or "dis", when the letters it represents are followed by a capitals indicator or a capitals terminator.

Use the lower groupsign for "be", "con" or "dis" in an abbreviation when it is used in the unabbreviated form of the word and when it is followed by at least one other letter.

Note: If the unabbreviated form is not known and cannot be determined from the text or by reference to a standard dictionary, it is permissible to use the lower groupsign.

Use the lower groupsign for "ea", "bb", "cc", "ff", or "gg" when the letters it represents are both preceded and followed by a letter, a contraction, a modified letter or a ligatured letter unless other rules limit its use.

Note: These signs may also represent punctuation signs.

Do not use the lower groupsign for "ea", "bb", "cc", "ff", or "gg" when the letters it represents are preceded or followed by a capitals indicator or a capitals terminator.

Do not use the lower groupsign for "ea" when the letters "ea" bridge a prefix and the remainder of the word.