Phase A - To assess the effect of simvastatin on the pharmacokinetics (PK) of dapagliflozin and to determine the effect of dapagliflozin on the PK of simvastatin, when simvastatin and dapagliflozin are coadministered in healthy subjects. Phase B - To assess the effect of valsartan on the PK of dapagliflozin and to determine the effect of dapagliflozin on the PK of valsartan, when valsartan and dapagliflozin are coadministered in healthy subjects