Quadgrams Part 16

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