The startup disk cannot be partitioned or restored to a single partition.

I want to instal windows but I have a problem with my boot camp and my patitions

I tried to erase all partitions But....!

I made a backup and Im ready to format all and reinstall my mac

Its my terminal

Last login: Wed Mar 27 13:49:12 on ttys000

-bash: lias: command not found

ATABAKs-MBP:~ atabak$ diskutil list

/dev/disk0 (internal, physical):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *1.0 TB     disk0

   1:                        EFI EFI                     209.7 MB   disk0s1

   2:                  Apple_HFS                         0 B        disk0s2

   3:                  Apple_HFS                         3.1 KB     disk0s3

   4:                  Apple_HFS BC2                     300.0 GB   disk0s4

   5:                  Apple_HFS Macintosh HD            699.2 GB   disk0s5