-ic b-u bbb bbc bbf bbi bbl bbm bbu bcb bcc bcf bci bcl bcm bcu bfb bfc bff bfi bfl bfm bfu bi- bib bic bif bii bil bim biu blb blc blf bli bll blm blu bmb bmc bmf bmi bml bmm bmu bub buc buf bui bul bum buu c-- cbb cbc cbf cbi cbl cbm cbu ccb ccc ccf cci ccl ccm ccu cfb cfc cff cfi cfl cfm cfu ci- cib cic cif cii cil cim ciu cl- clb clc clf cli cll clm clu cmb cmc cmf cmi cml cmm cmu cub cuc cuf cui cul cum cuu fbb fbc fbf fbi fbl fbm fbu fcb fcc fcf fci fcl fcm fcu ffc fff ffi ffl ffm ffu fib fic fif fii fil fim fiu flb flc flf fli fll flm flu fmb fmc fmf fmi fml fmm fmu fub fuf fui ful fum fuu i-f ibb ibc ibf ibi ibl ibm ibu icb icc icf ici icl icm icu ifb ifc iff ifi ifl ifm ifu iib iic iif iii iil iim iiu il- ilb ilc ilf ili ill ilm ilu im- imb imc imf imi iml imm imu iu- iub iuc iui ium lbb lbc lbf lbi lbl lbm lbu lcb lcc lcf lci lcl lcm lcu lfb lfc lff lfi lfl lfm lfu lib lic lif lii lil lim liu llb llc llf lli lll llm llu lmb lmc lmf lmi lml lmm lmu lub luc luf lui lul lum luu m-f mbb mbc mbf mbi mbl mbm mbu mc- mcb mcc mcf mci mcl mcm mcu mfb mfc mff mfi mfl mfm mfu mi- mib mic mif mii mil mim miu mlb mlc mlf mli mll mlm mlu mmb mmc mmf mmi mml mmm mmu mub muc muf mui mul mum muu ubb ubc ubf ubi ubl ubu ucb ucc ucf uci ucl ucm ucu ufc uff ufi ufl ufm ufu uib uic uif uii uil uim uiu ulb ulc ulf uli ull ulm ulu um- umb umc umf umi uml umm umu uuc uum uuu