-er -ic c-- ccc cce ccg cci ccn cco ccr ce- cec cee ceg cei cen ceo cer cgc cge cgg cgi cgn cgo cgr ci- cic cie cig cii cin cio cir cn- cnc cne cng cni cnn cno cnr co- coc coe cog coi con coo cor crc cre crg cri crn cro crr ec- ecc ece ecg eci ecn eco ecr eec eee eeg een eeo eer egc ege egg egi egn ego egr eic eie eig eii ein eio eir en- enc ene eng eni enn eno enr eo- eoc eoe eog eoi eon eoo eor erc ere erg eri ern ero err gcc gce gcg gci gcn gco gcr ge- gec gee geg gei gen geo ger ggc ggg ggi ggn ggo ggr gic gie gig gii gin gio gir gnc gne gni gnn gno gnr goc goe gog goi gon goo gor grc gre grg gri grn gro grr icc ice icg ici icn ico icr ie- iec iee ieg iei ien ier igc ige igg igi ign igo igr iic iie iii iin iio iir in- inc ine ing ini inn ino inr io- ioc ioe iog ioi ion ioo ior ir- irc ire irg iri irn iro irr n-i ncc nce ncg nci ncn nco ncr ne- nec nee neg nei nen neo ner ngc nge ngg ngi ngn ngo nic nie nig nii nin nio nir nnc nne nng nni nnn nno no- noc noe nog noi non noo nor nrc nre nrg nri nrn nro nrr o-i oc- occ ocg oci ocn oco ocr oec oee oeg oei oen oeo oer ogc oge ogg ogi ogn ogo oic oie oii oin oio oir on- onc one ong oni onn ono onr oo- ooc oog ooi oon ooo oor or- orc ore org ori orn oro orr rcc rce rcg rci rcn rco rcr re- rec ree reg rei ren reo rer rgc rge rgg rgi rgn rgo rgr ric rie rig rii rin rio rir rnc rng rni rnn rno rnr roc roe rog roi ron roo ror rrc rrg rri rrn rrr