-ic -ol c-- ccc ccd cci ccl cco ccp ccs cdc cdd cdi cdl cdo cdp cds ci- cic cid cii cil cio cip cis cl- clc cld cli cll clo clp cls co- coc cod coi col coo cop cos cpc cpd cpi cpl cpo cpp cps csc csd csi csl cso csp css dcc dcd dci dcl dco dcp dcs ddc ddd ddi ddl ddo ddp dds di- dic did dii dil dio dip dis dl- dlc dld dli dll dlo dlp dls doc dod doi dol doo dop dos dpc dpd dpi dpl dpo dpp dps dsc dsd dsi dsl dso dsp dss i-d icc icd ici icl ico icp ics idc idd idi idl ido idp ids iic iid iii iil iio iip iis il- ilc ild ili ill ilo ilp ils io- ioc iod ioi iol ioo iop ios ipc ipd ipi ipl ipo ipp ips is- isc isd isi isl iso isp iss l-p lcc lcd lci lcl lco lcp lcs ldc ldd ldi ldl ldo ldp lds lic lid lii lil lio lip lis llc lld lli lll llo llp lls loc lod loi lol loo lop los lpc lpd lpi lpl lpo lpp lps lsc lsd lsi lsl lso lsp lss o-i oc- occ ocd oci ocl oco ocp ocs odc odd odi odl odo odp ods oic oid oii oil oio oip ois olc old oli oll olo olp ols oo- ooc ood ooi ool ooo oop oos op- opc opd opi opl opo opp ops os- osc osd osi osl oso osp oss p-p pcc pcd pci pcl pco pcp pcs pdc pdd pdi pdl pdo pdp pds pic pid pii pil pio pip pis plc pld pli pll plo plp pls poc pod poi pol poo pop pos ppc ppd ppi ppl ppo ppp pps ps- psc psd psi psl pso psp pss scc scd sci scl sco scp scs sdc sdd sdi sdl sdo sdp sds sic sid sii sil sio sip sis slc sld sli sll slo slp sls soc sod soi sol soo sop sos spc spd spi spl spo spp sps ss- ssc ssd ssi ssl sso ssp sss