-up l-p lll llm llp lls llu lml lmm lmp lms lmu lpl lpm lpp lps lpu lsl lsm lsp lss lsu lul lum lup lus luu mll mlm mlp mls mlu mml mmm mmp mms mmu mpl mpm mpp mps mpu msl msm msp mss msu mul mum mup mus muu p-p pll plm plp pls plu pml pmm pmp pms pmu ppl ppm ppp pps ppu ps- psl psm psp pss psu pul pum pup pus puu sll slm slp sls slu sml smm smp sms smu spl spm spp sps spu ss- ssl ssm ssp sss ssu sul sum sup sus suu ull ulm ulp uls ulu um- uml umm ump ums umu up- upm upp ups upu usl usm usp uss usu uum uus uuu