-ol -up fff ffl ffo ffp ffs ffu flf fll flo flp fls flu fof fol foo fop fos fou fpl fpo fpp fps fpu fsf fsl fso fsp fss fsu fuf ful fuo fup fus fuu l-p lff lfl lfo lfp lfs lfu llf lll llo llp lls llu lof lol loo lop los lou lpf lpl lpo lpp lps lpu lsf lsl lso lsp lss lsu luf lul luo lup lus luu of- off ofl ofo ofp ofs ofu olf oll olo olp ols olu oo- oof ool ooo oop oos op- opf opl opo opp ops os- osf osl oso osp oss osu ou- ouf oul ouo oup ous p-p pff pfl pfo pfp pfs pfu plf pll plo plp pls plu pof pol poo pop pos pou ppf ppl ppo ppp pps ppu ps- psf psl pso psp pss psu puf pul pup pus puu sff sfl sfo sfp sfs sfu slf sll slo slp sls slu sof sol soo sop sos sou spf spl spo spp sps spu ss- ssf ssl sso ssp sss ssu suf sul suo sup sus suu uff ufl ufo ufp ufs ufu ulf ull ulo ulp uls ulu uol uoo uop uos up- upf upo upp ups upu usf usl uso usp uss usu uus uuu