-er -ic c-- ccc ccd cce cci ccn cco ccr ccv cdc cdd cde cdi cdn cdo cdr cdv ce- cec ced cee cei cen ceo cer cev ci- cic cid cie cii cin cio cir civ cn- cnc cnd cne cni cnn cno cnr cnv co- coc cod coe coi con coo cor cov crc crd cre cri crn cro crr crv cvc cvd cve cvi cvn cvo cvr cvv dcc dcd dce dci dcn dco dcr dcv ddc ddd dde ddi ddn ddo ddr de- dec ded dee dei den deo der dev di- dic did die dii din dio dir div dnc dnd dne dni dnn dno dnr doc dod doe doi don doo dor dov drc drd dre dri drn dro drr drv dvc dvd dve dvi dvn dvr ec- ecc ecd ece eci ecn eco ecr ecv ed- edc edd ede edi edn edo edr eec eed eee een eeo eer eev eic eid eie eii ein eio eir eiv en- enc end ene eni enn eno enr env eo- eoc eod eoe eoi eon eoo eor erc erd ere eri ern ero err erv evc evd eve evi evn evo evr evv i-d i-v icc icd ice ici icn ico icr icv idc idd ide idi idn ido idr idv ie- iec ied iee iei ien ier iev iic iid iie iii iin iio iir in- inc ind ine ini inn ino inr inv io- ioc iod ioe ioi ion ioo ior iov ir- irc ird ire iri irn iro irr irv ivc ivd ive ivi ivo ivr ivv n-i ncc ncd nce nci ncn nco ncr ncv ndc ndd nde ndi ndn ndo ndr ndv ne- nec ned nee nei nen neo ner nev nic nid nie nii nin nio nir niv nnc nne nni nnn nno nnv no- noc nod noe noi non noo nor nov nrc nrd nre nri nrn nro nrr nrv nvc nvd nve nvi nvn nvv o-i oc- occ ocd oci ocn oco ocr ocv odc odd ode odi odn odo odr odv oec oed oee oei oen oeo oer oic oid oie oii oin oio oir oiv on- onc ond one oni onn ono onr oo- ooc ood ooi oon ooo oor oov or- orc ord ore ori orn oro orr orv ov- ovc ovd ove ovi ovo ovv rcc rcd rce rci rcn rco rcr rcv rdc rdd rde rdi rdn rdo rdr rdv re- rec red ree rei ren reo rer rev ric rid rie rii rin rio rir riv rnc rnd rni rnn rno rnr rnv roc rod roe roi ron roo ror rov rrc rrd rri rrn rrr rvc rvd rve rvi rvn rvo rvr rvv v-e vcc vcd vce vci vcn vco vcr vdc vdd vde vdi vdo vdr vdv vec ved vee vei ven veo ver vi- vic vid vie vii vin vio vir viv vn- vnd vni vno vnr vnv voc vod voe voi von voo vor vov vrc vrd vre vri vrn vrr vvc vvi vvo vvr vvv