source vs destination operands

broad leaved calibrating weight chytrid blight of laver commutator eptatretus okinoseanus exoerythrocytic cycle multiplication failure mode effects and critical analysis forlorner froglings high-viscosity adhesive I/O address interfering well muddy wastewater oidium sonchi-arvensis potentate powdered catalyst split personalities to hit the nail on the head typ(e)able unaccreted