digraph D {
start [shape=box]
end [shape=box]
dc [shape=box]
HN [shape=box]
kj [shape=box]
LN [shape=box]
sa [shape=box]
start -> {kj}
start -> {HN, dc}
end -> {dc, HN}
dc -> {end, start, HN}
dc -> {LN, kj}
HN -> {start, end}
HN -> {dc, kj}
kj -> {sa, HN, dc}
kj -> {start}
LN -> {dc}
sa -> {kj}
}