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- The primitivity of ideals of a primitive ring
- Derivative of $\left| z \right|$ equals to 0 is useful in Newton Raphson method, isnâ€™t it?
- Calculating independent indicator random variables
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- $k[X]/(F(X))\otimes_kk[Y]/(G(Y))\approx k[X,Y]/\langle f(X),g(Y) \rangle$
- Deriving 68% confidence level for each parameter after MCMC
- Proving tensor product over modules is commutative and associative
- Does there exist a graph with 5 vertices of degree 3 and all other vertices of degree 2 or 4?
- Non-Equivalent knots which are indistinguishable by colourings
- Still pretty confused with Argument Principle, Rouche's Theorem and Winding number
- Prove $2^e$ is transcendental
- Approximating sum of absolute vales by a quadratic function
- Simplification of an integral: $\int{\nabla_{\theta}f_X(\mathbf{x};\theta)}\mathbf{T}^T(\mathbf{x};\theta)d\mathbf{x} = ?$
- $(\kappa^+)^\alpha=\kappa^\alpha\cdot \kappa^+$
- Matrix question any short cut?
- If a piecewise function has a sub-domain which is dense in the other, do any properties regarding continuity/discontinuity follow?
- quadratic form $4x^2+4xy+4xz+2yz+y^2+z^2$
- Collatz Conj. and Divergence to infinity
- Let G be a group of order p^2 where p, q are prime such that p

# Challenge : Create a star shaped crosswords (Smaller numbers of distinct letters wins !)

2017-04-21 11:54:33

Rules:

Create a star-shaped crossword using 6 letters English words.

Clues for the crossword is not needed.

Use common English words.

Direction for diagonals is TOP to DOWN.

Direction for Horizontal is LEFT to RIGHT.

Example:

The words used in the example are : states, latent, steaks, strait and learns

There are 9 distinct letters used "aeiklnrst"

Challenge:

This is an open ended Challenge.

Find the crossword with smaller numbers of distinct letters used.

The fastest with the smaller numbers of distinct letters wins.