-er -ic c-- ccc ccd cce cci ccn cco ccr ccs cct cdc cdd cde cdi cdn cdo cdr cds cdt ce- cec ced cee cei cen ceo cer ces cet ci- cic cid cie cii cin cio cir cis cit cn- cnc cnd cne cni cnn cno cnr cns cnt co- coc cod coe coi con coo cor cos cot crc crd cre cri crn cro crr crs crt csc csd cse csi csn cso csr css cst ctc ctd cte cti ctn cto ctr cts ctt dcc dcd dce dci dcn dco dcr dcs dct ddc ddd dde ddi ddn ddo ddr dds ddt de- dec ded dee dei den deo der des det di- dic did die dii din dio dir dis dit dnc dnd dne dni dnn dno dnr dns dnt doc dod doe doi don doo dor dos dot drc drd dre dri drn dro drr drs drt dsc dsd dse dsi dsn dso dsr dss dst dtc dtd dte dti dtn dto dtr dts dtt ec- ecc ecd ece eci ecn eco ecr ecs ect ed- edc edd ede edi edn edo edr eds edt eec eed eee een eeo eer ees eet eic eid eie eii ein eio eir eis eit en- enc end ene eni enn eno enr ens ent eo- eoc eod eoe eoi eon eoo eor eos eot erc erd ere eri ern ero err ers ert es- esc esd ese esi esn eso esr ess est etc etd ete eti etn eto etr ets ett i-d icc icd ice ici icn ico icr ics ict idc idd ide idi idn ido idr ids idt ie- iec ied iee iei ien ier ies iet iic iid iie iii iin iio iir iis iit in- inc ind ine ini inn ino inr ins int io- ioc iod ioe ioi ion ioo ior ios iot ir- irc ird ire iri irn iro irr irs irt is- isc isd ise isi isn iso isr iss ist itc itd ite iti itn ito its itt n-i ncc ncd nce nci ncn nco ncr ncs nct ndc ndd nde ndi ndn ndo ndr nds ndt ne- nec ned nee nei nen neo ner nes net nic nid nie nii nin nio nir nis nit nnc nne nni nnn nno nns nnt no- noc nod noe noi non noo nor nos not nrc nrd nre nri nrn nro nrr nrs nrt nsc nsd nse nsi nsn nso nsr nss nst ntc ntd nte nti ntn nto ntr nts ntt o-i oc- occ ocd oci ocn oco ocr ocs oct odc odd ode odi odn odo odr ods odt oec oed oee oei oen oeo oer oes oet oic oid oie oii oin oio oir ois oit on- onc ond one oni onn ono onr ons ont oo- ooc ood ooi oon ooo oor oos oot or- orc ord ore ori orn oro orr ors ort os- osc osd ose osi osn oso osr oss ost ot- otc otd ote oti otn oto otr ots ott rcc rcd rce rci rcn rco rcr rcs rct rdc rdd rde rdi rdn rdo rdr rds rdt re- rec red ree rei ren reo rer res ret ric rid rie rii rin rio rir ris rit rnc rnd rni rnn rno rnr rns rnt roc rod roe roi ron roo ror ros rot rrc rrd rri rrn rrr rrs rrt rsc rsd rse rsi rsn rso rsr rss rst rtc rtd rte rti rtn rto rtr rts rtt scc scd sce sci scn sco scr scs sct sdc sdd sde sdi sdn sdo sdr sds sdt se- sec sed see sei sen seo ser ses set sic sid sie sii sin sio sir sis sit snc snd sne sni snn sno snr sns snt soc sod soe soi son soo sor sos sot sr- src srd sre sri srn sro srr srs srt ss- ssc ssd sse ssi ssn sso ssr sss sst stc std ste sti stn sto str sts stt tcc tcd tce tci tcn tco tcr tcs tct tdc tdd tde tdi tdn tdo tdr tds tdt te- tec ted tee tei ten teo ter tes tet tic tid tie tii tin tio tir tis tit tnc tnd tne tni tnn tno tnr tns tnt to- toc tod toe toi ton too tor tos tot trc trd tre tri trn tro trr trs trt tsc tsd tse tsi tsn tso tsr tss tst ttc ttd tte tti ttn tto ttr tts ttt