  We generalise the operations of augmentation and concatenations in order to
obtain multigerms of analytic (or smooth) maps $(\mathbb
K^n,S)\rightarrow(\mathbb K^p,0)$ with $\mathbb K=\mathbb C$ or $\mathbb R$
from monogerms and some special multigerms. We then prove that any corank 1
codimension 2 multigerm in Mather's nice dimensions $(n,p)$ with $n\geq p-1$
can be constructed using augmentations and these operations.
