-ol ddd ddk ddl ddo dds ddt dkk dkl dko dks dkt dl- dld dlk dll dlo dls dlt dod dok dol doo dos dot dsd dsk dsl dso dss dst dtd dtk dtl dto dts dtt k-t kdk kdl kdo kds kdt kkk kkl kks kkt kl- kld klo kls klt kod kok kol koo kos kot ksd ksk ksl kso kss kst ktk ktl kto kts ktt ldd ldk ldl ldo lds ldt lkl lks lkt lld llk lll llo lls llt lod lok lol loo los lot lsd lsk lsl lso lss lst ltd ltk ltl lto lts ltt odd odl odo ods odt okd okk okl oko oks old olk oll olo ols olt oo- ood ook ool ooo oos oot os- osd osk osl oso oss ost ot- otd otk otl oto ots ott sdd sdk sdl sdo sds sdt sk- skd skk skl sko sks skt sld slk sll slo sls slt sod sok sol soo sos sot ss- ssd ssk ssl sso sss sst std stk stl sto sts stt tdd tdk tdl tdo tds tdt tkk tkl tko tks tkt tld tlk tll tlo tls tlt to- tod tok tol too tos tot tsd tsk tsl tso tss tst ttd ttk ttl tto tts ttt