![automata - Over the alphabet {a,b,c,d}, how would i construct a NFA that only accepts strings that end with a letter that is already part of the string? - Computer Science Stack automata - Over the alphabet {a,b,c,d}, how would i construct a NFA that only accepts strings that end with a letter that is already part of the string? - Computer Science Stack](https://i.stack.imgur.com/M36Q8.png)
automata - Over the alphabet {a,b,c,d}, how would i construct a NFA that only accepts strings that end with a letter that is already part of the string? - Computer Science Stack
![Wood Alphabet Blocks to String - Wood Alphabet Block Set with holes to String- Alphabet Blocks- String the Alphabet Blocks Wood Alphabet Blocks to String - Wood Alphabet Block Set with holes to String- Alphabet Blocks- String the Alphabet Blocks](https://i.etsystatic.com/27648144/r/il/31ea8f/3756827836/il_fullxfull.3756827836_ghoe.jpg)
Wood Alphabet Blocks to String - Wood Alphabet Block Set with holes to String- Alphabet Blocks- String the Alphabet Blocks
![Amazon.com: Learning Resources Lowercase Lacing Letters - 275 Pieces, Ages 3+ Toddler Alphabet Learning Toys, Preschool Games, Homeschool Supplies, Fine Motor Skills Toys, Alphabet Beads, Early Spelling : Toys & Games Amazon.com: Learning Resources Lowercase Lacing Letters - 275 Pieces, Ages 3+ Toddler Alphabet Learning Toys, Preschool Games, Homeschool Supplies, Fine Motor Skills Toys, Alphabet Beads, Early Spelling : Toys & Games](https://m.media-amazon.com/images/I/81SmLd2E+AL.jpg)
Amazon.com: Learning Resources Lowercase Lacing Letters - 275 Pieces, Ages 3+ Toddler Alphabet Learning Toys, Preschool Games, Homeschool Supplies, Fine Motor Skills Toys, Alphabet Beads, Early Spelling : Toys & Games
![Bright Vector Alphabet Letters Collection on Black Lines Isolated on White Background. Stock Vector - Illustration of alphabets, mosaic: 114785035 Bright Vector Alphabet Letters Collection on Black Lines Isolated on White Background. Stock Vector - Illustration of alphabets, mosaic: 114785035](https://thumbs.dreamstime.com/b/color-vector-alphabet-letters-set-waved-black-string-flat-design-alphabets-illustration-funny-collection-bright-lines-isolated-114785035.jpg)
Bright Vector Alphabet Letters Collection on Black Lines Isolated on White Background. Stock Vector - Illustration of alphabets, mosaic: 114785035
![Rainbow Colors String Letters and Numbers Alphabet Set 3D Illustration Stock Illustration | Adobe Stock Rainbow Colors String Letters and Numbers Alphabet Set 3D Illustration Stock Illustration | Adobe Stock](https://as1.ftcdn.net/v2/jpg/01/32/43/02/1000_F_132430289_o3FASWIl0DvLglPOkofmsRbwKXG8RI85.jpg)