fff ffg ffi ffl ffr fft fgf fgg fgi fgl fgr fgt fif fig fii fil fir fit flf flg fli fll flr flt frf frg fri frl frr frt ftf ftg fti ftl ftr ftt gff gfi gfl gfr gft ggg ggi ggr ggt gif gig gii gil gir git glf glg gli gll glr glt grf grg gri grl grr grt gtf gtg gti gtl gtr gtt i-f iff ifg ifi ifl ifr ift igf igg igi igl igr igt iif iii iil iir iit il- ilf ilg ili ill ilr ilt ir- irf irg iri irl irr irt itf itg iti itl itt lff lfg lfi lfl lfr lft lgf lgg lgi lgl lgr lgt lif lig lii lil lir lit llf llg lli lll llr llt lrf lrg lri lrr lrt ltf ltg lti ltl ltr ltt rff rfg rfi rfl rfr rft rgf rgg rgi rgr rgt rif rig rii ril rir rit rlf rlg rli rll rlr rlt rrf rrg rri rrl rrr rrt rtf rtg rti rtl rtr rtt tff tfg tfi tfl tfr tft tgf tgg tgi tgl tgr tgt tif tig tii til tir tit tlf tlg tli tll tlr tlt trf trg tri trl trr trt ttf ttg tti ttl ttr ttt