\bgroup
\lccode`\’=`\’
\patterns{
2’2
2b’
2ch’.
2ch’’.
2c’
2d’
2f’
2g’
2h’
2j’
2k’
2l’.
2l’’
2m’
2n’
2p’
2q’
2r’
2sh’
4s’.
4s’’
2t’.
2t’’
2v’.
2v’’
2w’
2x’
2z’.
2z’’
}
\egroup
