-up g-p ggg ggm ggp ggs ggu gmg gmm gmp gms gpg gpm gpp gps gpu gsg gsm gsp gss gsu gu- gug gum gup gus guu mgm mgp mgs mgu mmg mmm mmp mms mmu mpg mpm mpp mps mpu msg msm msp mss msu mug mum mup mus muu p-p pgg pgm pgp pgs pmg pmm pmp pms pmu ppg ppm ppp pps ppu ps- psg psm psp pss psu pug pum pup pus puu sgg sgm sgp sgs sgu smg smm smp sms smu spg spm spp sps spu ss- ssg ssm ssp sss ssu sug sum sup sus suu ugg ugm ugp ugs ugu um- umg umm ump ums umu up- upg upm upp ups upu usg usm usp uss usu uug uum uus uuu