-er -ic c-- ccc cce ccf ccg cci ccm cco ccr ccu ce- cec cee cef ceg cei cem ceo cer ceu cfc cfe cff cfg cfi cfm cfo cfr cfu cgc cge cgg cgi cgm cgo cgr cgu ci- cic cie cif cig cii cim cio cir ciu cmc cme cmf cmg cmi cmm cmo cmr cmu co- coc coe cof cog coi com coo cor cou crc cre crf crg cri crm cro crr cru cuc cue cuf cug cui cum cuo cur cuu ec- ecc ece ecf ecg eci ecm eco ecr ecu eec eee eef eeg eem eeo eer ef- efc efe eff efg efi efm efo efr egc ege egf egg egi egm ego egr egu eic eie eif eig eii eim eio eir eiu em- emc eme emf emg emi emm emo emr emu eo- eoc eoe eof eog eoi eom eoo eor eou erc ere erf erg eri erm ero err eru eu- euc eue euf eug eui eur fcc fce fcf fcg fci fcm fco fcr fcu fec fee fef feg fei fem feo fer feu ffc ffe fff ffg ffi ffm ffo ffr ffu fgc fge fgf fgg fgi fgm fgr fic fie fif fig fii fim fir fiu fmc fme fmf fmg fmi fmm fmo fmr fmu foc foe fof fog foi fom foo for fou frc fre frf frg fri frm fro frr fru fue fuf fug fui fum fuo fur fuu gcc gce gcf gcg gci gcm gco gcr gcu ge- gec gee gef geg gei gem geo ger geu gfc gfe gff gfi gfm gfo gfr ggc ggg ggi ggm ggo ggr ggu gic gie gif gig gii gim gio gir giu gmc gme gmf gmg gmi gmm gmo gmr goc goe gof gog goi gom goo gor gou grc gre grf grg gri grm gro grr gru gu- guc gue guf gug gui gum guo gur guu i-f icc ice icf icg ici icm ico icr icu ie- iec iee ief ieg iei iem ier ifc ife iff ifg ifi ifm ifo ifr ifu igc ige igf igg igi igm igo igr igu iic iie iif iii iim iio iir iiu im- imc ime imf img imi imm imo imu io- ioc ioe iof iog ioi iom ioo ior iou ir- irc ire irf irg iri irm iro irr iru iu- iuc iue iug iui ium iur m-f m-o m-r mc- mcc mce mcf mcg mci mcm mco mcr mcu mec mee mef meg mei mem meo mer meu mfc mfe mff mfg mfi mfm mfo mfr mfu mgc mge mgf mgi mgm mgo mgr mgu mi- mic mie mif mig mii mim mio mir miu mmc mme mmf mmg mmi mmm mmo mmr mmu moc moe mof mog moi mom moo mor mou mrc mre mrf mrg mri mrm mro mrr mru muc mue muf mug mui mum mur muu o-i oc- occ ocf ocg oci ocm oco ocr ocu oec oee oef oeg oei oem oeo oer of- ofc ofe off ofg ofi ofm ofo ofr ofu ogc oge ogf ogg ogi ogo oic oie oif oii oim oio oir oiu om- omc ome omf omg omi omm omo omr omu oo- ooc oof oog ooi oom ooo oor or- orc ore orf org ori orm oro orr oru ou- ouc oue ouf oui oum ouo our rcc rce rcf rcg rci rcm rco rcr rcu re- rec ree ref reg rei rem reo rer reu rfc rfe rff rfg rfi rfm rfo rfr rfu rgc rge rgf rgg rgi rgo rgr ric rie rif rig rii rim rio rir rmc rme rmf rmg rmi rmm rmo rmr roc roe rof rog roi rom roo ror rou rrc rrf rrg rri rrm rrr rru ruc rue ruf rug rui rum ruo rur ruu ucc uce ucf ucg uci ucm uco ucr ucu uec uee uef ueg uei uem uer ufc ufe uff ufg ufi ufm ufo ufr ufu ugc uge ugf ugg ugi ugm ugo ugr ugu uic uie uif uig uii uim uio uir uiu um- umc ume umf umg umi umm umo umr umu uoc uoe uog uom uoo uor ur- urc ure urf urg uri urm uro urr uru uuc uue uug uum uur uuu