Acu kan ad naf talɣa-a C1C2C1C3 deg umedya n bberbec “être tacheté” ddaw n uẓar BRBC ! (sb.40) ; ula d kra n yimyagen yesɛan (t) n taggara arggʷet , ariggʷet “fumer , donner de la vapeur”, ad ten-naf ddaw n RG (sb.712) mačči ddaw n RGT acu kan rrugmet “retentir” yella ddaw n RGMT.