[Lectio1]
@Sancti/08-09t::s/For,.*//s

[Lectio2]
@Sancti/08-09t:Lectio1:s/.* For,/For,/s s/$/~/
@Sancti/08-09t:Lectio2:s/But let.*//s

[Lectio3]
@Sancti/08-09t:Lectio2:s/.* But let/But let/s s/$/~/
@Sancti/08-09t:Lectio3:s/Let when.*//s