so () {
    [ -f "$1" ] && source "$1"
}

so /etc/zsh_command_not_found
so "$HOME"/.subzsh/options
so "$HOME"/.subzsh/completion
so "$HOME"/.subzsh/history
so "$HOME"/.subzsh/prompt
so "$HOME"/.subzsh/other
so "$HOME"/.subzsh/plugin

so "$HOME"/.subbash/aliases
so "$HOME"/.subbash/export
so "$HOME"/.subbash/functions
so "$HOME"/.zsh/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh