-ol fff ffl ffm ffo ffp ffs flf fll flm flo flp fls fmf fml fmm fmo fmp fms fof fol fom foo fop fos fpl fpm fpo fpp fps fsf fsl fsm fso fsp fss l-p lff lfl lfm lfo lfp lfs llf lll llm llo llp lls lmf lml lmm lmo lmp lms lof lol lom loo lop los lpf lpl lpm lpo lpp lps lsf lsl lsm lso lsp lss m-f m-o mff mfl mfm mfo mfp mfs mlf mll mlm mlo mlp mls mmf mml mmm mmo mmp mms mof mol mom moo mop mos mpf mpl mpm mpo mpp mps msf msl msm mso msp mss of- off ofl ofm ofo ofp ofs olf oll olm olo olp ols om- omf oml omm omo omp oms oo- oof ool oom ooo oop oos op- opf opl opm opo opp ops os- osf osl osm oso osp oss p-p pff pfl pfm pfo pfp pfs plf pll plm plo plp pls pmf pml pmm pmo pmp pms pof pol pom poo pop pos ppf ppl ppm ppo ppp pps ps- psf psl psm pso psp pss sff sfl sfm sfo sfp sfs slf sll slm slo slp sls smf sml smm smo smp sms sof sol som soo sop sos spf spl spm spo spp sps ss- ssf ssl ssm sso ssp sss