0.5 syns for 3.5 oz, which I think is one slice.
The syns for turkey bacon will vary depending on brand. There are various different ones. Lilydales and fresco lean life one is free, the others you will need to run through Syns calculator selecting your free food.
Online for HEXB I see:
2/3 cup - Fiber One Honey Clusters/Nutty Cluster & Almonds/Raisin Bran Clusters
1 cup - Fiber One Original
1/2 cup - Fiber One Protein Cereal, Cranberry Almond
The nutritional information comes to 5.5 syns...which is around what the other cereals are.