Consonant clusters
- consonant + r :br / cr / fr / gr / pr / tr
- consonant + l: bl / cl / fl / gl
- s + consonant: sc: sl / skew / sm / sn / st
- s + consonant + consonant: spr / str
- brain - cry - grapes - pray- train
- blue - clown - flag - glue
- science - slim - sky -smart- snow - student.
- spring /street.