Type 2 Diabetes Mellitus with Non-Alcoholic Fatty Liver Disease (NAFLD): This is the most likely diagnosis given the combination of elevated blood sugar, fatigue, and elevated liver enzymes without abdominal pain. Type 2 diabetes can lead to insulin resistance, which is a key factor in the development of NAFLD. Elevated alkaline phosphatase (alk phos) can also be seen in NAFLD due to the involvement of the liver and possibly the bile ducts.

Insulin Resistance Syndrome: This condition is characterized by insulin resistance, high blood pressure, and abnormal lipid profiles, which can lead to elevated liver enzymes and alk phos due to associated NAFLD or metabolic syndrome.
Polycystic Ovary Syndrome (PCOS): PCOS is associated with insulin resistance, which can lead to elevated blood sugar levels and is also linked with NAFLD, explaining the elevated liver enzymes.
Hypothyroidism: Although less common, hypothyroidism can cause elevated liver enzymes and alk phos. It can also contribute to fatigue and may be associated with insulin resistance, potentially leading to elevated blood sugar levels.

Hemochromatosis: A genetic disorder leading to iron overload, which can cause liver damage (elevated liver enzymes), fatigue, and potentially affect blood sugar levels due to pancreatic damage. It's crucial not to miss this diagnosis due to its potential for severe complications if left untreated.
Wilson's Disease: An inherited disorder that causes copper to accumulate in the liver, leading to liver damage. It can present with elevated liver enzymes, fatigue, and potentially with diabetes due to pancreatic involvement. Missing this diagnosis can lead to severe liver damage and neurological symptoms.
Autoimmune Hepatitis: Although it might present with abdominal pain, some cases can be painless. It's essential to consider this diagnosis due to its potential for severe liver damage if not treated promptly.

Lysosomal Acid Lipase Deficiency: A rare genetic disorder that leads to the accumulation of lipids in the liver and other organs, causing elevated liver enzymes and potentially affecting blood sugar levels.
Glycogen Storage Diseases: Certain types of these diseases can lead to elevated liver enzymes, fatigue, and potentially affect blood sugar regulation due to the abnormal storage of glycogen.
Fructose-1,6-Bisphosphatase Deficiency: A rare genetic disorder affecting glucose metabolism, which can lead to elevated blood sugar levels, fatigue, and potentially elevated liver enzymes due to the metabolic derangements.