a acute accent b c circumflex clitic collation consonant cluster crossword d diacritic diaeresis digraph e english language f fricative consonant front vowel g grapheme grave accent greek language h history of the welsh language i international phonetic alphabet iolo morganwg japan john morris-jones l latin alphabet ll llanelli llanfairpwllgwyngyll lower case m middle welsh n o old welsh p r s semivowel stop consonant t u unicode vowel length w welsh bible welsh grammar welsh language welsh morphology welsh numerals welsh phonology welsh settlement in argentina welsh syntax xerosere y