| Caighdeán | Old form | HTML/Unicode |
|---|---|---|
| Bh | Ḃ | Ḃ |
| bh | ḃ | Ḃ |
| Ch | Ċ | Ċ |
| ch | ċ | ċ |
| Dh | Ḋ | Ḋ |
| dh | ḋ | ḋ |
| Fh | Ḟ | Ḟ |
| fh | ḟ | Ḟ |
| Gh | Ġ | Ġ |
| gh | ġ | ġ |
| Mh | Ṁ | Ṁ |
| mh | ṁ | ṁ |
| Ph | Ṗ | Ṗ |
| ph | ṗ | ṗ |
| Sh | Ṡ | Ṡ |
| sh | ṡ | ṡ |
| Th | Ṫ | Ṫ |
| th | ṫ | ṫ |