-er -ic c-- ccc ccd cce cci ccn cco ccr ccs ccv cdc cdd cde cdi cdn cdo cdr cds cdv ce- cec ced cee cei cen ceo cer ces cev ci- cic cid cie cii cin cio cir cis civ cn- cnc cnd cne cni cnn cno cnr cns cnv co- coc cod coe coi con coo cor cos cov crc crd cre cri crn cro crr crs crv csc csd cse csi csn cso csr css csv cvc cvd cve cvi cvn cvo cvr cvs cvv dcc dcd dce dci dcn dco dcr dcs dcv ddc ddd dde ddi ddn ddo ddr dds de- dec ded dee dei den deo der des dev di- dic did die dii din dio dir dis div dnc dnd dne dni dnn dno dnr dns doc dod doe doi don doo dor dos dov drc drd dre dri drn dro drr drs drv dsc dsd dse dsi dsn dso dsr dss dsv dvc dvd dve dvi dvn dvr dvs ec- ecc ecd ece eci ecn eco ecr ecs ecv ed- edc edd ede edi edn edo edr eds eec eed eee een eeo eer ees eev eic eid eie eii ein eio eir eis eiv en- enc end ene eni enn eno enr ens env eo- eoc eod eoe eoi eon eoo eor eos erc erd ere eri ern ero err ers erv es- esc esd ese esi esn eso esr ess esv evc evd eve evi evn evo evr evs evv i-d i-v icc icd ice ici icn ico icr ics icv idc idd ide idi idn ido idr ids idv ie- iec ied iee iei ien ier ies iev iic iid iie iii iin iio iir iis in- inc ind ine ini inn ino inr ins inv io- ioc iod ioe ioi ion ioo ior ios iov ir- irc ird ire iri irn iro irr irs irv is- isc isd ise isi isn iso isr iss isv ivc ivd ive ivi ivo ivr ivs ivv n-i ncc ncd nce nci ncn nco ncr ncs ncv ndc ndd nde ndi ndn ndo ndr nds ndv ne- nec ned nee nei nen neo ner nes nev nic nid nie nii nin nio nir nis niv nnc nne nni nnn nno nns nnv no- noc nod noe noi non noo nor nos nov nrc nrd nre nri nrn nro nrr nrs nrv nsc nsd nse nsi nsn nso nsr nss nsv nvc nvd nve nvi nvn nvv o-i oc- occ ocd oci ocn oco ocr ocs ocv odc odd ode odi odn odo odr ods odv oec oed oee oei oen oeo oer oes oic oid oie oii oin oio oir ois oiv on- onc ond one oni onn ono onr ons oo- ooc ood ooi oon ooo oor oos oov or- orc ord ore ori orn oro orr ors orv os- osc osd ose osi osn oso osr oss osv ov- ovc ovd ove ovi ovo ovs ovv rcc rcd rce rci rcn rco rcr rcs rcv rdc rdd rde rdi rdn rdo rdr rds rdv re- rec red ree rei ren reo rer res rev ric rid rie rii rin rio rir ris riv rnc rnd rni rnn rno rnr rns rnv roc rod roe roi ron roo ror ros rov rrc rrd rri rrn rrr rrs rsc rsd rse rsi rsn rso rsr rss rsv rvc rvd rve rvi rvn rvo rvr rvs rvv scc scd sce sci scn sco scr scs scv sdc sdd sde sdi sdn sdo sdr sds sdv se- sec sed see sei sen seo ser ses sev sic sid sie sii sin sio sir sis siv snc snd sne sni snn sno snr sns snv soc sod soe soi son soo sor sos sov sr- src srd sre sri srn sro srr srs srv ss- ssc ssd sse ssi ssn sso ssr sss ssv svc svd sve svi svn svo svr svs svv v-e vcc vcd vce vci vcn vco vcr vcs vdc vdd vde vdi vdo vdr vds vdv vec ved vee vei ven veo ver ves vi- vic vid vie vii vin vio vir vis viv vn- vnd vni vno vnr vns vnv voc vod voe voi von voo vor vos vov vrc vrd vre vri vrn vrr vrs vsc vsd vse vsi vsn vso vsr vss vsv vvc vvi vvo vvr vvs vvv