-ly -up l-p lll llp lls llt llu lly lpl lpp lps lpt lpu lsl lsp lss lst lsu ltl ltp lts ltt ltu lul lup lus lut luu luy lyl lys lyt p-p pll plp pls plt plu ply ppl ppp pps ppt ppu ps- psl psp pss pst psu psy pt- ptl ptp pts ptt ptu pty pul pup pus put puu puy py- pyl pys pyt pyu sll slp sls slt slu sly spl spp sps spt spu spy ss- ssl ssp sss sst ssu stl stp sts stt stu sty sul sup sus sut suu suy sy- syl syp sys syt syu tll tlp tls tlt tlu tpl tpp tps tpt tpu tsl tsp tss tst tsu tsy ttl ttp tts ttt ttu tty tul tup tus tut tuu tuy tyl typ tys tyt ull ulp uls ult ulu uly up- upp ups upt upu usl usp uss ust usu utl utp uts utt utu uty uus uut uuu uys uyu yll yls ylt yly ypl yps ypu ysl ysp yss yst ysu ysy ytl ytp yts ytt ytu yul yup yus yut yuu yuy yys yyt yyu yyy