-ol c-- ccc ccd cce ccl cco ccs ccu cdc cdd cde cdl cdo cds cdu ce- cec ced cee cel ceo ces ceu cl- clc cld cle cll clo cls clu co- coc cod coe col coo cos cou csc csd cse csl cso css csu cuc cud cue cul cuo cus cuu dcc dcd dce dcl dco dcs dcu ddc ddd dde ddl ddo dds ddu de- dec ded dee del deo des deu dl- dlc dld dle dll dlo dls dlu doc dod doe dol doo dos dou dsc dsd dse dsl dso dss dsu duc dud due dul duo dus ec- ecc ecd ece ecl eco ecs ecu ed- edc edd ede edl edo eds edu eec eed eee eel eeo ees elc eld ele ell elo els elu eo- eoc eod eoe eol eoo eos eou es- esc esd ese esl eso ess esu eu- euc eud eue eul eus lcc lcd lce lcl lco lcs lcu ldc ldd lde ldl ldo lds ldu lec led lee lel leo les leu llc lld lle lll llo lls llu loc lod loe lol loo los lou lsc lsd lse lsl lso lss lsu luc lud lue lul luo lus luu oc- occ ocd ocl oco ocs ocu odc odd ode odl odo ods odu oec oed oee oel oeo oes olc old ole oll olo ols olu oo- ooc ood ool ooo oos os- osc osd ose osl oso oss osu ou- ouc oud oue oul ouo ous scc scd sce scl sco scs scu sdc sdd sde sdl sdo sds sdu se- sec sed see sel seo ses seu slc sld sle sll slo sls slu soc sod soe sol soo sos sou ss- ssc ssd sse ssl sso sss ssu suc sud sue sul suo sus suu ucc ucd uce ucl uco ucs ucu udc udd ude udl udo uds udu uec ued uee uel ues ulc uld ule ull ulo uls ulu uoc uod uoe uol uoo uos usc usd use usl uso uss usu uuc uue uus uuu