c-- ccc cce ccf ccg ccl ccu ce- cec cee cef ceg cel ceu cfc cfe cff cfg cfl cfu cgc cge cgg cgl cgu cl- clc cle clf clg cll clu cuc cue cuf cug cul cuu ec- ecc ece ecf ecg ecl ecu eec eee eef eeg eel ef- efc efe eff efg efl egc ege egf egg egl egu elc ele elf elg ell elu eu- euc eue euf eug eul fcc fce fcf fcg fcl fcu fec fee fef feg fel feu ffc ffe fff ffg ffl ffu fgc fge fgf fgg fgl flc fle flf flg fll flu fue fuf fug ful fuu gcc gce gcf gcg gcl gcu ge- gec gee gef geg gel geu gfc gfe gff gfl ggc ggg ggu glc gle glf glg gll glu gu- guc gue guf gug gul guu lcc lce lcf lcg lcl lcu lec lee lef leg lel leu lfc lfe lff lfg lfl lfu lgc lge lgf lgg lgl lgu llc lle llf llg lll llu luc lue luf lug lul luu ucc uce ucf ucg ucl ucu uec uee uef ueg uel ufc ufe uff ufg ufl ufu ugc uge ugf ugg ugl ugu ulc ule ulf ulg ull ulu uuc uue uug uuu