Appendix 2
With Welsh, the following letters and letter combinations are pronounced as follows:
| Letter(s) | How to produce the sound | Symbol used to represent this sound |
|---|---|---|
| ch | A short sound like clearing your throat, produced at the back of the mouth | C |
| dd | Say 'th' as in the word 'this' | ð |
| f | As for the letter 'v' | none required |
| ff | As for the letter 'f' | none required |
| ll | Fill your mouth with your tongue, then blow down the side of it | ɬ |
| r | As for the letter 'r', but produced at the very front of the mouth | none required |
| si | If followed by a vowel (aeiouwy) then as for 'sh' else as for 'si' (there are some exceptions) | none required |
| th | Say 'th' as in the word 'thing' | none required |
| u | Half way between the 'i' in 'pig' and the 'ee' in 'feet' | none required |
| w | As 'oo' in the word 'pool' | none required |
| wy | As 'oy' in the word 'boy' | none required |
| y | If in the last syllable of a word or the only syllable of a word that does not begin with a 'y' then as for the letter 'i' else as for the letter 'u'. If a word is made of more than word (eg. Brynmawr which is Bryn Mawr), each component word must be considered separately | none required |
| Written name | Pronunciation |
|---|---|
| Agen Allwedd | Aggen Aɬweð |
| Blaenavon | Bline Avvon |
| Brynmawr | Brin Mawr |
| Clydach Gorge | Clud AC Gorge |
| Cnoc Nan Uamh | Crock Nan Warve |
| Dan-Yr-Ogof | Dan Er Ogov |
| Dynas | Dinnas |
| Eglwys Faen | Egg Loyce Vine |
| Garimpeiros | Garim Pay Ross |
| Grwp Ogoffedd | Group Ogof Eð |
| Illtydian | Iɬtuddian |
| Llangatwg | ɬan Gatwg or ɬan Gattock |
| Llygad Llwchwr | ɬug Ad ɬwCwr |
| Ogof Carno | Ogov Car No |
| Ogof Clogwyn | Ogov Clogoin or Ogof Clogwin |
| Ogof Daren Cilau | Ogov Darren Keel Eye |
| Ogof Draenen | Ogov Dry Nen |
| Ogof Ffynnon Ddu | Ogov Fun On ðee |
| Ogof Foel Fawr | Ogov Voil Vawr |
| Ogof Hesp Alyn | Ogov Hesp Allin |
| Ogof Llyn Parc | Ogov ɬin Park |
| Ogof Nant Rhin | Ogov Nant Rinn |
| Ogof Nedd Fechan | Ogov Neð VeCan |
| Ogof Pasg | Ogov Pasg |
| Ogof Pen Eryr | Ogov Pen Erreer |
| Ogof Pen Maelor | Ogov Pen My Lore |
| Ogof Rhyd Sych | Ogov Rid SiC |
| Ogof Tarddiad Rhymney | Ogov Tar ðee Ad Rumney |
| Pol An Ionain | Poll An Yo Nen |
| Polcragreach | Poll Crag Rear |
| Polnagollum | Poll Na Gollem |
| Speleological | Speelee Ological |
| Spelaeological | Speelee Ological |
| Trefil | Trevil |
| Wyvern | Strictly; Wuvvern, but more usually; Why Vern |
| Ystradfellte | Ustrad Veɬteh |