Quadgrams Part 16

ving call vers ined pers rest essi chan llow ativ ving ined ativ call essi chan vers llow rest pers essi ativ ined chan llow rest ving vers pers call vers ined ving pers call essi chan ativ llow rest pers llow chan ativ call ined ving rest essi vers essi llow ativ rest vers ined pers chan call ving vers chan essi call llow pers ving rest ined ativ llow ativ pers call vers ving essi chan rest ined ativ rest vers call chan ined llow ving essi pers llow call pers ving essi ativ chan vers rest ined