-er -ic c-- ccc ccd cce ccg cci ccn cco ccr ccu cdc cdd cde cdg cdi cdn cdo cdr cdu ce- cec ced cee ceg cei cen ceo cer ceu cgc cgd cge cgg cgi cgn cgo cgr cgu ci- cic cid cie cig cii cin cio cir ciu cn- cnc cnd cne cng cni cnn cno cnr cnu co- coc cod coe cog coi con coo cor cou crc crd cre crg cri crn cro crr cru cuc cud cue cug cui cun cuo cur cuu dcc dcd dce dcg dci dcn dco dcr dcu ddc ddd dde ddg ddi ddn ddo ddr ddu de- dec ded dee deg dei den deo der deu dgc dgd dge dgg dgi dgn dgr dgu di- dic did die dig dii din dio dir diu dnc dnd dne dng dni dnn dno dnr doc dod doe dog doi don doo dor dou drc drd dre drg dri drn dro drr dru duc dud due dug dui dun duo dur ec- ecc ecd ece ecg eci ecn eco ecr ecu ed- edc edd ede edg edi edn edo edr edu eec eed eee eeg een eeo eer egc egd ege egg egi egn ego egr egu eic eid eie eig eii ein eio eir eiu en- enc end ene eng eni enn eno enr enu eo- eoc eod eoe eog eoi eon eoo eor eou erc erd ere erg eri ern ero err eru eu- euc eud eue eug eui eun eur g-d gcc gcd gce gcg gci gcn gco gcr gcu gdc gdd gde gdi gdn gdo gdr gdu ge- gec ged gee geg gei gen geo ger geu ggc ggd ggg ggi ggn ggo ggr ggu gic gid gie gig gii gin gio gir giu gnc gnd gne gni gnn gno gnr gnu goc god goe gog goi gon goo gor gou grc grd gre grg gri grn gro grr gru gu- guc gud gue gug gui gun guo gur guu i-d icc icd ice icg ici icn ico icr icu idc idd ide idg idi idn ido idr idu ie- iec ied iee ieg iei ien ier igc igd ige igg igi ign igo igr igu iic iid iie iii iin iio iir iiu in- inc ind ine ing ini inn ino inr inu io- ioc iod ioe iog ioi ion ioo ior iou ir- irc ird ire irg iri irn iro irr iru iu- iuc iud iue iug iui iur n-i ncc ncd nce ncg nci ncn nco ncr ncu ndc ndd nde ndg ndi ndn ndo ndr ndu ne- nec ned nee neg nei nen neo ner neu ngc ngd nge ngg ngi ngn ngo ngu nic nid nie nig nii nin nio nir niu nnc nne nng nni nnn nno nnu no- noc nod noe nog noi non noo nor nou nrc nrd nre nrg nri nrn nro nrr nru nuc nud nue nug nui nun nuo nur nuu o-i oc- occ ocd ocg oci ocn oco ocr ocu odc odd ode odg odi odn odo odr odu oec oed oee oeg oei oen oeo oer ogc ogd oge ogg ogi ogn ogo oic oid oie oii oin oio oir oiu on- onc ond one ong oni onn ono onr onu oo- ooc ood oog ooi oon ooo oor or- orc ord ore org ori orn oro orr oru ou- ouc oud oue oui oun ouo our rcc rcd rce rcg rci rcn rco rcr rcu rdc rdd rde rdg rdi rdn rdo rdr rdu re- rec red ree reg rei ren reo rer reu rgc rgd rge rgg rgi rgn rgo rgr ric rid rie rig rii rin rio rir rnc rnd rng rni rnn rno rnr rnu roc rod roe rog roi ron roo ror rou rrc rrd rrg rri rrn rrr rru ruc rud rue rug rui run ruo rur ruu ucc ucd uce ucg uci ucn uco ucr ucu udc udd ude udg udi udn udo udr udu uec ued uee ueg uei uen uer ugc uge ugg ugi ugn ugo ugr ugu uic uid uie uig uii uin uio uir uiu un- unc und une ung uni unn uno unr unu uoc uod uoe uog uon uoo uor ur- urc urd ure urg uri urn uro urr uru uuc uue uug uun uur uuu