digraph
bigram

The two digraph terms were first recorded in 1788 and 1955, respectively.

Next, we come to the notion of a directed graph, sometimes called a digraph.

The same is now true of the Spanish-language digraph ch.

For the main values of each letter and digraph, see Portuguese alphabet.

When stated without any qualification, a digraph is usually assumed to be simple.

Similarly, any connected digraph with a root has a covering tree.

It is the most common digraph in order of frequency in the English language.

Many results supporting the digraph reconstruction conjecture appeared between 1964 and 1976.

In the tournament digraph, the vertices correspond to the players.

Generally, a digraph is simply represented using two characters in Unicode.

The task space is a finite digraph without cycles.

But when the digraph occurs at the end of a line, all of the letters are written out.

In occasional words, letters that normally form a digraph are pronounced separately.

In formal terms a digraph is a pair (sometimes ) of:

The digraph ea also occurs in a few words such as sea and tea.

In the context of graph theory a digraph with weighted edges is called a network.

As of 2008, no counterexample to the new digraph reconstruction conjecture is known.

If needed, append a "Z" to complete the final digraph.

However, capitalization of the entire digraph is the norm.

A digraph is acyclic if it does not contain any directed cycle.

Both the horizontal and the vertical digraph were borrowed from the Greek alphabet.

Find the first letter in the digraph in the upper/left text matrix.

A pair of letters designating a single phoneme is called a digraph.

Doubling is a common digraph strategy in many orthographies.

On the other hand, some texts allow loops, multiple arcs, or both in a digraph.