-er -ic c-- ccc ccd cce ccg cci ccn cco ccr ccs cct cdc cdd cde cdg cdi cdn cdo cdr cds cdt ce- cec ced cee ceg cei cen ceo cer ces cet cgc cgd cge cgg cgi cgn cgo cgr cgs cgt ci- cic cid cie cig cii cin cio cir cis cit cn- cnc cnd cne cng cni cnn cno cnr cns cnt co- coc cod coe cog coi con coo cor cos cot crc crd cre crg cri crn cro crr crs crt csc csd cse csg csi csn cso csr css cst ctc ctd cte ctg cti ctn cto ctr cts ctt dcc dcd dce dcg dci dcn dco dcr dcs dct ddc ddd dde ddg ddi ddn ddo ddr dds ddt de- dec ded dee deg dei den deo der des det dgc dgd dge dgg dgi dgn dgr dgs dgt di- dic did die dig dii din dio dir dis dit dnc dnd dne dng dni dnn dno dnr dns dnt doc dod doe dog doi don doo dor dos dot drc drd dre drg dri drn dro drr drs drt dsc dsd dse dsg dsi dsn dso dsr dss dst dtc dtd dte dtg dti dtn dto dtr dts dtt ec- ecc ecd ece ecg eci ecn eco ecr ecs ect ed- edc edd ede edg edi edn edo edr eds edt eec eed eee eeg een eeo eer ees eet egc egd ege egg egi egn ego egr egs egt eic eid eie eig eii ein eio eir eis eit en- enc end ene eng eni enn eno enr ens ent eo- eoc eod eoe eog eoi eon eoo eor eos eot erc erd ere erg eri ern ero err ers ert es- esc esd ese esg esi esn eso esr ess est etc etd ete etg eti etn eto etr ets ett g-d gcc gcd gce gcg gci gcn gco gcr gcs gct gdc gdd gde gdi gdn gdo gdr gds gdt ge- gec ged gee geg gei gen geo ger ges get ggc ggd ggg ggi ggn ggo ggr ggs ggt gic gid gie gig gii gin gio gir gis git gnc gnd gne gni gnn gno gnr gns gnt goc god goe gog goi gon goo gor gos got grc grd gre grg gri grn gro grr grs grt gsc gsd gse gsg gsi gsn gso gsr gss gst gtc gtd gte gtg gti gtn gto gtr gts gtt i-d icc icd ice icg ici icn ico icr ics ict idc idd ide idg idi idn ido idr ids idt ie- iec ied iee ieg iei ien ier ies iet igc igd ige igg igi ign igo igr igs igt iic iid iie iii iin iio iir iis iit in- inc ind ine ing ini inn ino inr ins int io- ioc iod ioe iog ioi ion ioo ior ios iot ir- irc ird ire irg iri irn iro irr irs irt is- isc isd ise isg isi isn iso isr iss ist itc itd ite itg iti itn ito its itt n-i ncc ncd nce ncg nci ncn nco ncr ncs nct ndc ndd nde ndg ndi ndn ndo ndr nds ndt ne- nec ned nee neg nei nen neo ner nes net ngc ngd nge ngg ngi ngn ngo ngs ngt nic nid nie nig nii nin nio nir nis nit nnc nne nng nni nnn nno nns nnt no- noc nod noe nog noi non noo nor nos not nrc nrd nre nrg nri nrn nro nrr nrs nrt nsc nsd nse nsg nsi nsn nso nsr nss nst ntc ntd nte ntg nti ntn nto ntr nts ntt o-i oc- occ ocd ocg oci ocn oco ocr ocs oct odc odd ode odg odi odn odo odr ods odt oec oed oee oeg oei oen oeo oer oes oet ogc ogd oge ogg ogi ogn ogo ogs ogt oic oid oie oii oin oio oir ois oit on- onc ond one ong oni onn ono onr ons ont oo- ooc ood oog ooi oon ooo oor oos oot or- orc ord ore org ori orn oro orr ors ort os- osc osd ose osg osi osn oso osr oss ost ot- otc otd ote otg oti otn oto otr ots ott rcc rcd rce rcg rci rcn rco rcr rcs rct rdc rdd rde rdg rdi rdn rdo rdr rds rdt re- rec red ree reg rei ren reo rer res ret rgc rgd rge rgg rgi rgn rgo rgr rgs rgt ric rid rie rig rii rin rio rir ris rit rnc rnd rng rni rnn rno rnr rns rnt roc rod roe rog roi ron roo ror ros rot rrc rrd rrg rri rrn rrr rrs rrt rsc rsd rse rsg rsi rsn rso rsr rss rst rtc rtd rte rtg rti rtn rto rtr rts rtt scc scd sce scg sci scn sco scr scs sct sdc sdd sde sdg sdi sdn sdo sdr sds sdt se- sec sed see seg sei sen seo ser ses set sgc sgd sge sgg sgi sgn sgo sgr sgs sgt sic sid sie sig sii sin sio sir sis sit snc snd sne sng sni snn sno snr sns snt soc sod soe sog soi son soo sor sos sot sr- src srd sre srg sri srn sro srr srs srt ss- ssc ssd sse ssg ssi ssn sso ssr sss sst stc std ste stg sti stn sto str sts stt tcc tcd tce tcg tci tcn tco tcr tcs tct tdc tdd tde tdg tdi tdn tdo tdr tds tdt te- tec ted tee teg tei ten teo ter tes tet tgc tge tgg tgi tgn tgo tgr tgs tgt tic tid tie tig tii tin tio tir tis tit tnc tnd tne tng tni tnn tno tnr tns tnt to- toc tod toe tog toi ton too tor tos tot trc trd tre trg tri trn tro trr trs trt tsc