-er -ic c-- ccc ccd cce cci cco ccr ccs cct ccu ccv cdc cdd cde cdi cdo cdr cds cdt cdu cdv ce- cec ced cee cei ceo cer ces cet ceu cev ci- cic cid cie cii cio cir cis cit ciu civ co- coc cod coe coi coo cor cos cot cou cov crc crd cre cri cro crr crs crt cru crv csc csd cse csi cso csr css cst csu csv ctc ctd cte cti cto ctr cts ctt ctu ctv cuc cud cue cui cuo cur cus cut cuu cuv cvc cvd cve cvi cvo cvr cvs cvt cvu cvv dcc dcd dce dci dco dcr dcs dct dcu dcv ddc ddd dde ddi ddo ddr dds ddt ddu de- dec ded dee dei deo der des det deu dev di- dic did die dii dio dir dis dit diu div doc dod doe doi doo dor dos dot dou dov drc drd dre dri dro drr drs drt dru drv dsc dsd dse dsi dso dsr dss dst dsu dsv dtc dtd dte dti dto dtr dts dtt dtu dtv duc dud due dui duo dur dus dut duv dvc dvd dve dvi dvr dvs dvt dvu ec- ecc ecd ece eci eco ecr ecs ect ecu ecv ed- edc edd ede edi edo edr eds edt edu eec eed eee eeo eer ees eet eev eic eid eie eii eio eir eis eit eiu eiv eo- eoc eod eoe eoi eoo eor eos eot eou erc erd ere eri ero err ers ert eru erv es- esc esd ese esi eso esr ess est esu esv etc etd ete eti eto etr ets ett etu etv eu- euc eud eue eui eur eus eut euv evc evd eve evi evo evr evs evt evv i-d i-v icc icd ice ici ico icr ics ict icu icv idc idd ide idi ido idr ids idt idu idv ie- iec ied iee iei ier ies iet iev iic iid iie iii iio iir iis iit iiu io- ioc iod ioe ioi ioo ior ios iot iou iov ir- irc ird ire iri iro irr irs irt iru irv is- isc isd ise isi iso isr iss ist isu isv itc itd ite iti ito its itt itu itv iu- iuc iud iue iui iur ius iut ivc ivd ive ivi ivo ivr ivs ivt ivu ivv o-i oc- occ ocd oci oco ocr ocs oct ocu ocv odc odd ode odi odo odr ods odt odu odv oec oed oee oei oeo oer oes oet oic oid oie oii oio oir ois oit oiu oiv oo- ooc ood ooi ooo oor oos oot oov or- orc ord ore ori oro orr ors ort oru orv os- osc osd ose osi oso osr oss ost osu osv ot- otc otd ote oti oto otr ots ott otu otv ou- ouc oud oue oui ouo our ous out ov- ovc ovd ove ovi ovo ovs ovv rcc rcd rce rci rco rcr rcs rct rcu rcv rdc rdd rde rdi rdo rdr rds rdt rdu rdv re- rec red ree rei reo rer res ret reu rev ric rid rie rii rio rir ris rit riv roc rod roe roi roo ror ros rot rou rov rrc rrd rri rrr rrs rrt rru rsc rsd rse rsi rso rsr rss rst rsu rsv rtc rtd rte rti rto rtr rts rtt rtu rtv ruc rud rue rui ruo rur rus rut ruu ruv rvc rvd rve rvi rvo rvr rvs rvt rvu rvv scc scd sce sci sco scr scs sct scu scv sdc sdd sde sdi sdo sdr sds sdt sdu sdv se- sec sed see sei seo ser ses set seu sev sic sid sie sii sio sir sis sit siu siv soc sod soe soi soo sor sos sot sou sov sr- src srd sre sri sro srr srs srt srv ss- ssc ssd sse ssi sso ssr sss sst ssu ssv stc std ste sti sto str sts stt stu stv suc sud sue sui suo sur sus sut suu suv svc svd sve svi svo svr svs svt svu svv tcc tcd tce tci tco tcr tcs tct tcu tcv tdc tdd tde tdi tdo tdr tds tdt tdu tdv te- tec ted tee tei teo ter tes tet teu tev tic tid tie tii tio tir tis tit tiu tiv to- toc tod toe toi too tor tos tot tou tov trc trd tre tri tro trr trs trt tru trv tsc tsd tse tsi tso tsr tss tst tsu tsv ttc ttd tte tti tto ttr tts ttt ttu ttv tuc tud tue tui tuo tur tus tut tuu tuv tvc tvd tve tvi tvo tvr tvs tvt tvu ucc ucd uce uci uco ucr ucs uct ucu ucv udc udd ude udi udo udr uds udt udu udv uec ued uee uei uer ues uet uic uid uie uii uio uir uis uit uiu uoc uod uoe uoo uor uos uot ur- urc urd ure uri uro urr urs urt uru usc usd use usi uso usr uss ust usu usv utc utd ute uti uto utr uts utt utu utv uuc uue uur uus uut uuu uvc uve uvo uvs uvu uvv v-e vcc vcd vce vci vco vcr vcs vct vcu vdc vdd vde vdi vdo vdr vds vdt vdu vdv vec ved vee vei veo ver ves vet veu vi- vic vid vie vii vio vir vis vit viu viv voc vod voe voi voo vor vos vot vou vov vrc vrd vre vri vrr vrs vrt vru vsc vsd vse vsi vso vsr vss vst vsu vsv vtc vte vti vto vtr vts vtt vtu vtv vue vur vus vut vuv vvc vvi vvo vvr vvs vvt vvv