first time indoor strains

hey i'm a fairly novice grower only done two outdoors without a whole lot of success so i invested in some light and such and finally got my grow room setup got 750 mh for veg and 100 hps for flower now the only thing left to do is pick some strains thats why im here is to see what are some fairly easy strains to grow any input on anything would be greatly apperciated thanks

thanks for the suggestion i wanna have 3 different strains any other good one ill get 5 northern lights 5 of another and another 5