on a scheduled basis

on a barter basis on a basis of on a bicycle on a bum on a calculation on a cash-on-invoice basis on a charge of on a charge of robbery on a crash basis on a diet on a dime on a fifty-fifty basis

hypoxaemia hypoxanthic hypoxanthine hypoxanthine deoxyriboside hypoxanthine oxidase hypoxanthine riboside hypoxanthylic acid hypoxemia hypoxemic hypoxia