What are the best 3 to 5 high dividend yield stocks in Singapore?

I am very new to investing and I want to start investing in high dividend yield stocks in Singapore through DBS vickers can someone please tell me what are the best 3-5 high dividend yield stocks in Singapore to get and what's the optimal amount of money in your opinion I should start with. Also are the dividends credited monthly or annually. Also in your opinion how many of the stocks should I hold at any one time or should I just focus on one.