-er -ic c-- ccc ccd cce ccg cci ccn cco ccr cct cdc cdd cde cdg cdi cdn cdo cdr cdt ce- cec ced cee ceg cei cen ceo cer cet cgc cgd cge cgg cgi cgn cgo cgr cgt ci- cic cid cie cig cii cin cio cir cit cn- cnc cnd cne cng cni cnn cno cnr cnt co- coc cod coe cog coi con coo cor cot crc crd cre crg cri crn cro crr crt ctc ctd cte ctg cti ctn cto ctr ctt dcc dcd dce dcg dci dcn dco dcr dct ddc ddd dde ddg ddi ddn ddo ddr ddt de- dec ded dee deg dei den deo der det dgc dgd dge dgg dgi dgn dgr dgt di- dic did die dig dii din dio dir dit dnc dnd dne dng dni dnn dno dnr dnt doc dod doe dog doi don doo dor dot drc drd dre drg dri drn dro drr drt dtc dtd dte dtg dti dtn dto dtr dtt ec- ecc ecd ece ecg eci ecn eco ecr ect ed- edc edd ede edg edi edn edo edr edt eec eed eee eeg een eeo eer eet egc egd ege egg egi egn ego egr egt eic eid eie eig eii ein eio eir eit en- enc end ene eng eni enn eno enr ent eo- eoc eod eoe eog eoi eon eoo eor eot erc erd ere erg eri ern ero err ert etc etd ete etg eti etn eto etr ett g-d gcc gcd gce gcg gci gcn gco gcr gct gdc gdd gde gdi gdn gdo gdr gdt ge- gec ged gee geg gei gen geo ger get ggc ggd ggg ggi ggn ggo ggr ggt gic gid gie gig gii gin gio gir git gnc gnd gne gni gnn gno gnr gnt goc god goe gog goi gon goo gor got grc grd gre grg gri grn gro grr grt gtc gtd gte gtg gti gtn gto gtr gtt i-d icc icd ice icg ici icn ico icr ict idc idd ide idg idi idn ido idr idt ie- iec ied iee ieg iei ien ier iet igc igd ige igg igi ign igo igr igt iic iid iie iii iin iio iir iit in- inc ind ine ing ini inn ino inr int io- ioc iod ioe iog ioi ion ioo ior iot ir- irc ird ire irg iri irn iro irr irt itc itd ite itg iti itn ito itt n-i ncc ncd nce ncg nci ncn nco ncr nct ndc ndd nde ndg ndi ndn ndo ndr ndt ne- nec ned nee neg nei nen neo ner net ngc ngd nge ngg ngi ngn ngo ngt nic nid nie nig nii nin nio nir nit nnc nne nng nni nnn nno nnt no- noc nod noe nog noi non noo nor not nrc nrd nre nrg nri nrn nro nrr nrt ntc ntd nte ntg nti ntn nto ntr ntt o-i oc- occ ocd ocg oci ocn oco ocr oct odc odd ode odg odi odn odo odr odt oec oed oee oeg oei oen oeo oer oet ogc ogd oge ogg ogi ogn ogo ogt oic oid oie oii oin oio oir oit on- onc ond one ong oni onn ono onr ont oo- ooc ood oog ooi oon ooo oor oot or- orc ord ore org ori orn oro orr ort ot- otc otd ote otg oti otn oto otr ott rcc rcd rce rcg rci rcn rco rcr rct rdc rdd rde rdg rdi rdn rdo rdr rdt re- rec red ree reg rei ren reo rer ret rgc rgd rge rgg rgi rgn rgo rgr rgt ric rid rie rig rii rin rio rir rit rnc rnd rng rni rnn rno rnr rnt roc rod roe rog roi ron roo ror rot rrc rrd rrg rri rrn rrr rrt rtc rtd rte rtg rti rtn rto rtr rtt tcc tcd tce tcg tci tcn tco tcr tct tdc tdd tde tdg tdi tdn tdo tdr tdt te- tec ted tee teg tei ten teo ter tet tgc tge tgg tgi tgn tgo tgr tgt tic tid tie tig tii tin tio tir tit tnc tnd tne tng tni tnn tno tnr tnt to- toc tod toe tog toi ton too tor tot trc trd tre trg tri trn tro trr trt ttc ttd tte ttg tti ttn tto ttr ttt