cimicic cimicid circum- cirrids cirsium cissids cri-cri crisium crissum crusius cucumis curimus curucui cuscusu diddums didimus discids discuss dismiss druidic dum-dum dumdums durdums iricici iricism iridium isidids isidium isidudu micurus middiss mirmiru mississ muirisc murdris murdrum muricid murmuri murmurs muscids musicum musicus mussids muu-muu muumuus riccius riddims rum-dum rumdums russism scidrus sciurid sciurus scuirid scurids siddurs sim-sim simsimi sircici siricid sirmium smiddum sssssss succuss sucuriu suicism suiriri summiss surdism surducu surmurd sursum- umuduri uridium urisici urucuri