-er -ic c-- ccc ccd cce ccg cci cck ccn cco ccr ccs cct cdc cdd cde cdg cdi cdk cdn cdo cdr cds cdt ce- cec ced cee ceg cei cek cen ceo cer ces cet cgc cgd cge cgg cgi cgn cgo cgr cgs cgt ci- cic cid cie cig cii cik cin cio cir cis cit ckc ckd cki cko cks ckt cn- cnc cnd cne cng cni cnn cno cnr cns cnt co- coc cod coe cog coi cok con coo cor cos cot crc crd cre crg cri crk crn cro crr crs crt csc csd cse csg csi csk csn cso csr css cst ctc ctd cte ctg cti ctk ctn cto ctr cts ctt dcc dcd dce dcg dci dck dcn dco dcr dcs dct ddc ddd dde ddg ddi ddk ddn ddo ddr dds ddt de- dec ded dee deg dei dek den deo der des det dgc dgd dge dgg dgi dgk dgn dgr dgs dgt di- dic did die dig dii dik din dio dir dis dit dkc dke dkg dki dkk dko dkr dks dkt dnc dnd dne dng dni dnk dnn dno dnr dns dnt doc dod doe dog doi dok don doo dor dos dot drc drd dre drg dri drk drn dro drr drs drt dsc dsd dse dsg dsi dsk dsn dso dsr dss dst dtc dtd dte dtg dti dtk dtn dto dtr dts dtt ec- ecc ecd ece ecg eci eck ecn eco ecr ecs ect ed- edc edd ede edg edi edk edn edo edr eds edt eec eed eee eeg eek een eeo eer ees eet egc egd ege egg egi egn ego egr egs egt eic eid eie eig eii eik ein eio eir eis eit ekc ekd eke ekg eki eko ekr eks ekt en- enc end ene eng eni enk enn eno enr ens ent eo- eoc eod eoe eog eoi eok eon eoo eor eos eot erc erd ere erg eri erk ern ero err ers ert es- esc esd ese esg esi esk esn eso esr ess est etc etd ete etg eti etk etn eto etr ets ett g-d gcc gcd gce gcg gci gck gcn gco gcr gcs gct gdc gdd gde gdi gdk gdn gdo gdr gds gdt ge- gec ged gee geg gei gek gen geo ger ges get ggc ggd ggg ggi ggn ggo ggr ggs ggt gic gid gie gig gii gik gin gio gir gis git gkd gkn gko gks gkt gnc gnd gne gni gnn gno gnr gns gnt goc god goe gog goi gok gon goo gor gos got grc grd gre grg gri grk grn gro grr grs grt gsc gsd gse gsg gsi gsk gsn gso gsr gss gst gtc gtd gte gtg gti gtk gtn gto gtr gts gtt i-d icc icd ice icg ici ick icn ico icr ics ict idc idd ide idg idi idk idn ido idr ids idt ie- iec ied iee ieg iei iek ien ier ies iet igc igd ige igg igi igk ign igo igr igs igt iic iid iie iii iin iio iir iis iit ikc ike iki ikk iko ikr iks ikt in- inc ind ine ing ini ink inn ino inr ins int io- ioc iod ioe iog ioi ion ioo ior ios iot ir- irc ird ire irg iri irk irn iro irr irs irt is- isc isd ise isg isi isk isn iso isr iss ist itc itd ite itg iti itk itn ito its itt k-t kcc kcd kce kcg kci kck kcn kcr kcs kct kdc kde kdg kdk kdo kdr kds kdt ke- kec ked kee keg kei kek ken keo ker kes ket kgc kgd kgi kgo kgs kic kid kie kig kii kik kin kio kir kis kit kkc kke kki kkk kkn kkr kks kkt kn- knc knd kne kng kni knk knn kno knr knt koc kod koe kog koi kok kon koo kor kos kot krc krd krg kri krk krn kro krr krs krt ksc ksd kse ksg ksi ksk ksn kso ksr kss kst ktc kte ktg ktk ktn kto ktr kts ktt n-i ncc ncd nce ncg nci nck ncn nco ncr ncs nct ndc ndd nde ndg ndi ndk ndn ndo ndr nds ndt ne- nec ned nee neg nei nek nen neo ner nes net ngc ngd nge ngg ngi ngk ngn ngo ngs ngt nic nid nie nig nii nik nin nio nir nis nit nkc nke nki nkk nkn nko nkr nks nkt nnc nne nng nni nnk nnn nno nns nnt no- noc nod noe nog noi nok non noo nor nos not nrc nrd nre nrg nri nrk nrn nro nrr nrs nrt nsc nsd nse nsg nsi nsk nsn nso nsr nss nst ntc ntd nte ntg nti ntk ntn nto ntr nts ntt o-i oc- occ ocd ocg oci ock 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 oik oin oio oir ois oit okc okd oke okg oki okk oko okr oks on- onc ond one ong oni onk onn ono onr ons ont oo- ooc ood oog ooi ook oon ooo oor oos oot or- orc ord ore org ori ork orn oro orr ors ort os- osc osd ose osg osi osk osn oso osr oss ost ot- otc otd ote otg oti otk 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 rek ren reo rer res ret rgc rgd rge rgg rgi rgk rgn rgo rgr rgs rgt ric rid rie rig rii rik rin rio rir ris rit rkc rke rkg rkk rko rks rkt