†Abolished in Updated Irish Braille (see below) These shortcuts are not used across elements of compound words.
For example, in uiscerian (uisce-rian) "aqueduct", e-r is spelled out, as is s-t in trastomhas (tras-tomhas) "diameter".
A shortcut may be used even when the final consonant is lenited with h; comh, for example, is written ⠤⠓ com-h.
UIB uses most of the contractions of UEB, with the exception of the doubled letters bb ⠆, cc ⠒, ff ⠖, and gg ⠶.
In addition, the letters ⠁ a, ⠊ i, ⠯ á, ⠿ é, ⠷ í, and ⠮ ó, along with the digraphs ⠔ in and ⠜ ar, are Irish words in their own right, and are treated as wordsigns.