-ol ddd ddl ddo ddr dds dl- dld dll dlo dlr dls dod dol doo dor dos drd drl dro drr drs dsd dsl dso dsr dss ldd ldl ldo ldr lds lld lll llo llr lls lod lol loo lor los lrd lro lrr lrs lsd lsl lso lsr lss odd odl odo odr ods old oll olo ols oo- ood ool ooo oor oos or- ord orl oro orr ors os- osd osl oso osr oss rdd rdl rdo rdr rds rld rll rlo rlr rls rod rol roo ror ros rrd rrl rrr rrs rsd rsl rso rsr rss sdd sdl sdo sdr sds sld sll slo slr sls sod sol soo sor sos sr- srd srl sro srr srs ss- ssd ssl sso ssr sss