-ic bbb bbc bbf bbi bbk bbl bbm bbr bcb bcc bcf bci bck bcl bcm bcr bfb bfc bff bfi bfl bfm bfr bi- bib bic bif bii bik bil bim bir bkb bkc bkf bkk bkl bkm bkr blb blc blf bli blk bll blm blr bmb bmc bmf bmi bmk bml bmm bmr brb brf bri brk brl brm brr c-- cbb cbc cbf cbi cbk cbl cbm cbr ccb ccc ccf cci cck ccl ccm ccr cfb cfc cff cfi cfk cfl cfm cfr ci- cib cic cif cii cik cil cim cir ckb ckc cki ckm cl- clb clc clf cli clk cll clm clr cmb cmc cmf cmi cmk cml cmm cmr crb crc crf cri crk crl crm crr fbb fbc fbf fbi fbk fbl fbm fbr fcb fcc fcf fci fck fcl fcm fcr ffc fff ffi ffk ffl ffm ffr fib fic fif fii fik fil fim fir fkb fkc fkf fki fkk fkl fkm flb flc flf fli fll flm flr fmb fmc fmf fmi fml fmm fmr frb frc frf fri frk frl frm frr i-f ibb ibc ibf ibi ibk ibl ibm ibr icb icc icf ici ick icl icm icr ifb ifc iff ifi ifl ifm ifr iib iic iif iii iil iim iir ikb ikc ikf iki ikk ikl ikr il- ilb ilc ilf ili ilk ill ilm ilr im- imb imc imf imi iml imm ir- irb irc irf iri irk irl irm irr kbb kbc kbf kbi kbk kbl kbm kbr kcb kcc kci kck kcl kcm kcr kfc kff kfi kfm kib kic kif kii kik kil kim kir kkb kkc kki kkk kkl kkm kkr kl- klb klc klf kli klm klr kmb kmc kmf kmi kmk kml kmm krc krf kri krk krl krr lbb lbc lbf lbi lbk lbl lbm lbr lcb lcc lcf lci lck lcl lcm lcr lfb lfc lff lfi lfk lfl lfm lfr lib lic lif lii lik lil lim lir lkb lkl lkr llb llc llf lli llk lll llm llr lmb lmc lmf lmi lmk lml lmm lmr lrb lrc lrf lri lrk lrm lrr m-f m-r mbb mbc mbf mbi mbk mbl mbm mbr mc- mcb mcc mcf mci mck mcl mcm mcr mfb mfc mff mfi mfl mfm mfr mi- mib mic mif mii mik mil mim mir mkb mkc mkk mkl mkm mkr mlb mlc mlf mli mlk mll mlm mlr mmb mmc mmf mmi mmk mml mmm mmr mrb mrc mrf mri mrk mrl mrm mrr rbb rbc rbf rbi rbk rbl rbm rbr rcb rcc rcf rci rcl rcm rcr rfb rfc rff rfi rfk rfl rfm rfr rib ric rif rii rik ril rim rir rkb rkc rkf rkk rkm rlc rlf rli rll rlm rlr rmb rmc rmf rmi rml rmm rmr rrb rrc rrf rri rrk rrl rrm rrr