Get arbitrary word using DFS #477

Job	Run time
warnings-base (ubuntu-latest)	2m 24s
run-test-performance-base (ubuntu-latest)	2m 47s
run-test-performance (ubuntu-latest)	2m 30s
warnings-base (macos-latest)	2m 3s
run-test-performance-base (macos-latest)	1m 40s
run-tests (ubuntu-latest)	2m 8s
run-test-performance (macos-latest)	1m 36s
run-tests (macos-latest)	1m 19s
warnings-new (ubuntu-latest)	2m 1s
warnings-new (macos-latest)	1m 20s
code-coverage	1m 33s
compare-versions (ubuntu-latest)	3s
compare-versions (macos-latest)	5s
compare-performance (ubuntu-latest)	15s
compare-performance (macos-latest)	17s
	22m 1s

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