-ic -ol c-- ccc ccd cci ccl cco ccs cct cdc cdd cdi cdl cdo cds cdt ci- cic cid cii cil cio cis cit cl- clc cld cli cll clo cls clt co- coc cod coi col coo cos cot csc csd csi csl cso css cst ctc ctd cti ctl cto cts ctt dcc dcd dci dcl dco dcs dct ddc ddd ddi ddl ddo dds ddt di- dic did dii dil dio dis dit dl- dlc dld dli dll dlo dls dlt doc dod doi dol doo dos dot dsc dsd dsi dsl dso dss dst dtc dtd dti dtl dto dts dtt i-d icc icd ici icl ico ics ict idc idd idi idl ido ids idt iic iid iii iil iio iis iit il- ilc ild ili ill ilo ils ilt io- ioc iod ioi iol ioo ios iot is- isc isd isi isl iso iss ist itc itd iti itl ito its itt lcc lcd lci lcl lco lcs lct ldc ldd ldi ldl ldo lds ldt lic lid lii lil lio lis lit llc lld lli lll llo lls llt loc lod loi lol loo los lot lsc lsd lsi lsl lso lss lst ltc ltd lti ltl lto lts ltt o-i oc- occ ocd oci ocl oco ocs oct odc odd odi odl odo ods odt oic oid oii oil oio ois oit olc old oli oll olo ols olt oo- ooc ood ooi ool ooo oos oot os- osc osd osi osl oso oss ost ot- otc otd oti otl oto ots ott scc scd sci scl sco scs sct sdc sdd sdi sdl sdo sds sdt sic sid sii sil sio sis sit slc sld sli sll slo sls slt soc sod soi sol soo sos sot ss- ssc ssd ssi ssl sso sss sst stc std sti stl sto sts stt tcc tcd tci tcl tco tcs tct tdc tdd tdi tdl tdo tds tdt tic tid tii til tio tis tit tlc tld tli tll tlo tls tlt to- toc tod toi tol too tos tot tsc tsd tsi tsl tso tss tst ttc ttd tti ttl tto tts ttt