-ol c-- ccc ccd ccl cco ccs cct ccu cdc cdd cdl cdo cds cdt cdu cl- clc cld cll clo cls clt clu co- coc cod col coo cos cot cou csc csd csl cso css cst csu ctc ctd ctl cto cts ctt ctu cuc cud cul cuo cus cut cuu dcc dcd dcl dco dcs dct dcu ddc ddd ddl ddo dds ddt ddu dl- dlc dld dll dlo dls dlt dlu doc dod dol doo dos dot dou dsc dsd dsl dso dss dst dsu dtc dtd dtl dto dts dtt dtu duc dud dul duo dus dut lcc lcd lcl lco lcs lct lcu ldc ldd ldl ldo lds ldt ldu llc lld lll llo lls llt llu loc lod lol loo los lot lou lsc lsd lsl lso lss lst lsu ltc ltd ltl lto lts ltt ltu luc lud lul luo lus lut luu oc- occ ocd ocl oco ocs oct ocu odc odd odl odo ods odt odu olc old oll olo ols olt olu oo- ooc ood ool ooo oos oot os- osc osd osl oso oss ost osu ot- otc otd otl oto ots ott otu ou- ouc oud oul ouo ous out scc scd scl sco scs sct scu sdc sdd sdl sdo sds sdt sdu slc sld sll slo sls slt slu soc sod sol soo sos sot sou ss- ssc ssd ssl sso sss sst ssu stc std stl sto sts stt stu suc sud sul suo sus sut suu tcc tcd tcl tco tcs tct tcu tdc tdd tdl tdo tds tdt tdu tlc tld tll tlo tls tlt tlu to- toc tod tol too tos tot tou tsc tsd tsl tso tss tst tsu ttc ttd ttl tto tts ttt ttu tuc tud tul tuo tus tut tuu ucc ucd ucl uco ucs uct ucu udc udd udl udo uds udt udu ulc uld ull ulo uls ult ulu uoc uod uol uoo uos uot usc usd usl uso uss ust usu utc utd utl uto uts utt utu uuc uus uut uuu