Perhaps a]dfectu, with the meaning "intention" or "purpose" (see OLD, s.v.7), which we prefer to defectu or profectu suggested in CEL.
ue]stris or no]stris is possible. The sentence rogamus ut adfectu necessitatibus nostris ignoscas would make good sense.
[ ]s.et......s, CEL. This reading is possible but does not seem to us probable.