-er -ic c-- ccc ccd cce cci cco ccr cct ccu ccv cdc cdd cde cdi cdo cdr cdt cdu cdv ce- cec ced cee cei ceo cer cet ceu cev ci- cic cid cie cii cio cir cit ciu civ co- coc cod coe coi coo cor cot cou cov crc crd cre cri cro crr crt cru crv ctc ctd cte cti cto ctr ctt ctu ctv cuc cud cue cui cuo cur cut cuu cuv cvc cvd cve cvi cvo cvr cvt cvu cvv dcc dcd dce dci dco dcr dct dcu dcv ddc ddd dde ddi ddo ddr ddt ddu de- dec ded dee dei deo der det deu dev di- dic did die dii dio dir dit diu div doc dod doe doi doo dor dot dou dov drc drd dre dri dro drr drt dru drv dtc dtd dte dti dto dtr dtt dtu dtv duc dud due dui duo dur dut duv dvc dvd dve dvi dvr dvt dvu ec- ecc ecd ece eci eco ecr ect ecu ecv ed- edc edd ede edi edo edr edt edu eec eed eee eeo eer eet eev eic eid eie eii eio eir eit eiu eiv eo- eoc eod eoe eoi eoo eor eot eou erc erd ere eri ero err ert eru erv etc etd ete eti eto etr ett etu etv eu- euc eud eue eui eur eut euv evc evd eve evi evo evr evt evv i-d i-v icc icd ice ici ico icr ict icu icv idc idd ide idi ido idr idt idu idv ie- iec ied iee iei ier iet iev iic iid iie iii iio iir iit iiu io- ioc iod ioe ioi ioo ior iot iou iov ir- irc ird ire iri iro irr irt iru irv itc itd ite iti ito itt itu itv iu- iuc iud iue iui iur iut ivc ivd ive ivi ivo ivr ivt ivu ivv o-i oc- occ ocd oci oco ocr oct ocu ocv odc odd ode odi odo odr odt odu odv oec oed oee oei oeo oer oet oic oid oie oii oio oir oit oiu oiv oo- ooc ood ooi ooo oor oot oov or- orc ord ore ori oro orr ort oru orv ot- otc otd ote oti oto otr ott otu otv ou- ouc oud oue oui ouo our out ov- ovc ovd ove ovi ovo ovv rcc rcd rce rci rco rcr rct rcu rcv rdc rdd rde rdi rdo rdr rdt rdu rdv re- rec red ree rei reo rer ret reu rev ric rid rie rii rio rir rit riv roc rod roe roi roo ror rot rou rov rrc rrd rri rrr rrt rru rtc rtd rte rti rto rtr rtt rtu rtv ruc rud rue rui ruo rur rut ruu ruv rvc rvd rve rvi rvo rvr rvt rvu rvv tcc tcd tce tci tco tcr tct tcu tcv tdc tdd tde tdi tdo tdr tdt tdu tdv te- tec ted tee tei teo ter tet teu tev tic tid tie tii tio tir tit tiu tiv to- toc tod toe toi too tor tot tou tov trc trd tre tri tro trr trt tru trv ttc ttd tte tti tto ttr ttt ttu ttv tuc tud tue tui tuo tur tut tuu tuv tvc tvd tve tvi tvo tvr tvt tvu ucc ucd uce uci uco ucr uct ucu ucv udc udd ude udi udo udr udt udu udv uec ued uee uei uer uet uic uid uie uii uio uir uit uiu uoc uod uoe uoo uor uot ur- urc urd ure uri uro urr urt uru utc utd ute uti uto utr utt utu utv uuc uue uur uut uuu uvc uve uvo uvu uvv v-e vcc vcd vce vci vco vcr vct vcu vdc vdd vde vdi vdo vdr vdt vdu vdv vec ved vee vei veo ver vet veu vi- vic vid vie vii vio vir vit viu viv voc vod voe voi voo vor vot vou vov vrc vrd vre vri vrr vrt vru vtc vte vti vto vtr vtt vtu vtv vue vur vut vuv vvc vvi vvo vvr vvt vvv