-ol c-- ccc ccd cch ccl cco ccr ccs cdc cdd cdh cdl cdo cdr cds ch- chc chd chh chl cho chr chs cl- clc cld clh cll clo clr cls co- coc cod coh col coo cor cos crc crd crh crl cro crr crs csc csd csh csl cso csr css dcc dcd dcl dco dcr dcs ddc ddd ddh ddl ddo ddr dds dh- dhc dhd dhh dhl dho dhr dhs dl- dlc dld dlh dll dlo dlr dls doc dod doh dol doo dor dos drc drd drl dro drr drs dsc dsd dsh dsl dso dsr dss hcc hcd hch hcl hco hcr hcs hdc hdd hdh hdl hdo hdr hds hhc hhd hhh hhl hho hhr hhs hlc hld hlh hll hlo hlr hls hoc hod hoh hol hoo hor hos hr- hrc hrd hrh hrl hro hrr hrs hsc hsd hsh hsl hsr hss lcc lcd lch lcl lco lcr lcs ldc ldd ldh ldl ldo ldr lds lhc lhd lhh lho lhr lhs llc lld lll llo llr lls loc lod loh lol loo lor los lrc lrd lrh lro lrr lrs lsc lsd lsh lsl lso lsr lss oc- occ ocd och ocl oco ocr ocs odc odd odh odl odo odr ods ohc ohd ohh ohl oho ohr ohs olc old oll olo ols oo- ooc ood ooh ool ooo oor oos or- orc ord orh orl oro orr ors os- osc osd osh osl oso osr oss rcc rcd rch rcl rco rcr rcs rdc rdd rdh rdl rdo rdr rds rh- rhc rhd rhh rhl rho rhr rhs rlc rld rlh rll rlo rlr rls roc rod roh rol roo ror ros rrc rrd rrh rrl rrr rrs rsc rsd rsh rsl rso rsr rss scc scd sch scl sco scr scs sdc sdd sdh sdl sdo sdr sds sh- shc shd shh shl sho shr shs slc sld slh sll slo slr sls soc sod soh sol soo sor sos sr- src srd srh srl sro srr srs ss- ssc ssd ssh ssl sso ssr sss