-ol -up l-p lll llm llo llp lls llu lml lmm lmo lmp lms lmu lol lom loo lop los lou lpl lpm lpo lpp lps lpu lsl lsm lso lsp lss lsu lul lum luo lup lus luu m-o mll mlm mlo mlp mls mlu mml mmm mmo mmp mms mmu mol mom moo mop mos mou mpl mpm mpo mpp mps mpu msl msm mso msp mss msu mul mum mup mus muu oll olm olo olp ols olu om- oml omm omo omp oms omu oo- ool oom ooo oop oos op- opl opm opo opp ops os- osl osm oso osp oss osu ou- oul oum ouo oup ous p-p pll plm plo plp pls plu pml pmm pmo pmp pms pmu pol pom poo pop pos pou ppl ppm ppo ppp pps ppu ps- psl psm pso psp pss psu pul pum pup pus puu sll slm slo slp sls slu sml smm smo smp sms smu sol som soo sop sos sou spl spm spo spp sps spu ss- ssl ssm sso ssp sss ssu sul sum suo sup sus suu ull ulm ulo ulp uls ulu um- uml umm umo ump ums umu uol uom uoo uop uos up- upm upo upp ups upu usl usm uso usp uss usu uum uus uuu