{{/* Partial: create_sigil.html */}}
{{- $input := . -}}
{{- $vowels := "aeiouAEIOU" -}}
{{- $seen := dict -}}
{{- $output := "" -}}
{{- $chars := split (replaceRE "[^a-zA-Z]" "" $input) "" -}}
{{- /* Step 1: Remove vowels */ -}}
{{- range $i, $char := $chars -}}
{{- if not (in $vowels $char) -}}
{{- /* Step 2: Remove repeating letters */ -}}
{{- if not (index $seen $char) -}}
{{- $seen = merge $seen (dict $char true) -}}
{{- $output = printf "%s%s" $output $char -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- $output = upper $output -}}
{{ $output = split $output "" }}
{{ $output = apply $output "printf" "%#x" "." }}
{{ $output = apply $output "int" "." }}
{{- $output -}}