fff ffi ffl ffm ffr fif fii fil fim fir flf fli fll flm flr fmf fmi fml fmm fmr frf fri frl frm frr i-f iff ifi ifl ifm ifr iif iii iil iim iir il- ilf ili ill ilm ilr im- imf imi iml imm ir- irf iri irl irm irr lff lfi lfl lfm lfr lif lii lil lim lir llf lli lll llm llr lmf lmi lml lmm lmr lrf lri lrm lrr m-f m-r mff mfi mfl mfm mfr mi- mif mii mil mim mir mlf mli mll mlm mlr mmf mmi mml mmm mmr mrf mri mrl mrm mrr rff rfi rfl rfm rfr rif rii ril rim rir rlf rli rll rlm rlr rmf rmi rml rmm rmr rrf rri rrl rrm rrr