刪節線with stroke), Ꝃ ꝃ(英语:K with diagonal stroke), Ꝅ ꝅ(英语:K with stroke and diagonal stroke), Ꞣ ꞣ(法语:Ꞣ) Ł ł, Ƚ ƚ(英语:L with bar), ᴌ(法语:ᴌ), Ⱡ ⱡ(法语:Ⱡ), Ꝉ ꝉ(法语:Ꝉ)
维拉宿代数{\displaystyle [l_{m},l_{n}]=(m-n)l_{m+n}} , [ l ¯ m , l ¯ n ] = ( m − n ) l ¯ m + n {\displaystyle [{\bar {l}}_{m},{\bar {l}}_{n}]=(m-n){\bar {l}}_{m+n}} , [ l m