Quadgrams Part 16

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