B , C , D , F , G , H , J , K , L , M , N , P , Q , R , S , T , V , W , X , ( sometimes Y ) , and Z. `` Y '' is often used as a consonant , but it is sometimes used as a vowel . Consonant letters in the English alphabet are B , C , D , F , G , H , J , K , L , M , N , P , Q , R , S , T , V , X , Z , and usually W and Y : The letter Y stands for the consonant ( j ) in `` yoke '' , and for the vowel ( É ) in `` myth '' , for example ; W is almost always a consonant except in rare words ( mostly loanwords from Welsh ) like `` crwth '' `` cwm '' .