-er -ol c-- ccc ccd cce cch ccl cco ccr ccu cdc cdd cde cdh cdl cdo cdr cdu ce- cec ced cee ceh cel ceo cer ceu ch- chc chd che chh chl cho chr chu cl- clc cld cle clh cll clo clr clu co- coc cod coe coh col coo cor cou crc crd cre crh crl cro crr cru cuc cud cue cuh cul cuo cur cuu dcc dcd dce dcl dco dcr dcu ddc ddd dde ddh ddl ddo ddr ddu de- dec ded dee deh del deo der deu dh- dhc dhd dhe dhh dhl dho dhr dhu dl- dlc dld dle dlh dll dlo dlr dlu doc dod doe doh dol doo dor dou drc drd dre drl dro drr dru duc dud due duh dul duo dur ec- ecc ecd ece ech ecl eco ecr ecu ed- edc edd ede edh edl edo edr edu eec eed eee eel eeo eer ehc ehd ehe ehh ehl eho ehr ehu elc eld ele elh ell elo elr elu eo- eoc eod eoe eoh eol eoo eor eou erc erd ere erh erl ero err eru eu- euc eud eue eul eur hcc hcd hce hch hcl hco hcr hdc hdd hde hdh hdl hdo hdr hdu he- hec hed hee heh hel heo her heu hhc hhd hhe hhh hhl hho hhr hhu hlc hld hle hlh hll hlo hlr hlu hoc hod hoe hoh hol hoo hor hou hr- hrc hrd hre hrh hrl hro hrr hru huc hud hue huh hul huo hur huu lcc lcd lce lch lcl lco lcr lcu ldc ldd lde ldh ldl ldo ldr ldu lec led lee leh lel leo ler leu lhc lhd lhh lho lhr lhu llc lld lle lll llo llr llu loc lod loe loh lol loo lor lou lrc lrd lrh lro lrr lru luc lud lue luh lul luo lur luu oc- occ ocd och ocl oco ocr ocu odc odd ode odh odl odo odr odu oec oed oee oeh oel oeo oer ohc ohd ohe ohh ohl oho ohr ohu olc old ole oll olo olu oo- ooc ood ooh ool ooo oor or- orc ord ore orh orl oro orr oru ou- ouc oud oue ouh oul ouo our rcc rcd rce rch rcl rco rcr rcu rdc rdd rde rdh rdl rdo rdr rdu re- rec red ree reh rel reo rer reu rh- rhc rhd rhe rhh rhl rho rhr rhu rlc rld rle rlh rll rlo rlr rlu roc rod roe roh rol roo ror rou rrc rrd rrh rrl rrr rru ruc rud rue ruh ruo rur ruu ucc ucd uce uch ucl uco ucr ucu udc udd ude udl udo udr udu uec ued uee ueh uel uer uhc uhd uhe uhh uhl uho uhr uhu ulc uld ule ull ulo ulr ulu uoc uod uoe uol uoo uor ur- urc urd ure url uro urr uru uuc uue uur uuu