A sequence of one or more L followed by a sequence of one or more V and a sequence of zero or more T, or any other sequence that is canonically equivalent.

• All precomposed Hangul syllables, which have the form LV or LVT, are standard Korean syllable blocks.
• Alternatively, a standard Korean syllable block may be expressed as a sequence of a choseong and a jungseong, optionally followed by a jongseong.
• A choseong filler may substitute for a missing leading consonant, and a jungseong filler may substitute for a missing vowel.
• This definition is used in Unicode Standard Annex #29, "Unicode Text Segmentation," as part of the algorithm for determining syllable boundaries in a sequence of conjoining jamo characters.