-ol ddd ddl ddo ddr ddt dl- dld dll dlo dlr dlt dod dol doo dor dot drd drl dro drr drt dtd dtl dto dtr dtt ldd ldl ldo ldr ldt lld lll llo llr llt lod lol loo lor lot lrd lro lrr lrt ltd ltl lto ltr ltt odd odl odo odr odt old oll olo olt oo- ood ool ooo oor oot or- ord orl oro orr ort ot- otd otl oto otr ott rdd rdl rdo rdr rdt rld rll rlo rlr rlt rod rol roo ror rot rrd rrl rrr rrt rtd rtl rto rtr rtt tdd tdl tdo tdr tdt tld tll tlo tlr tlt to- tod tol too tor tot trd trl tro trr trt ttd ttl tto ttr ttt