-ic c-- ccc ccd cce cci cck ccm cco ccs cdc cdd cde cdi cdk cdm cdo cds ce- cec ced cee cei cek cem ceo ces ci- cic cid cie cii cik cim cio cis ckc ckd cki ckm cko cks cmc cmd cme cmi cmk cmm cmo cms co- coc cod coe coi cok com coo cos csc csd cse csi csk csm cso css dcc dcd dce dci dck dcm dco dcs ddc ddd dde ddi ddk ddm ddo dds de- dec ded dee dei dek dem deo des di- dic did die dii dik dim dio dis dkc dke dki dkk dkm dko dks dmc dmd dme dmi dmk dmm dmo dms doc dod doe doi dok dom doo dos dsc dsd dse dsi dsk dsm dso dss ec- ecc ecd ece eci eck ecm eco ecs ed- edc edd ede edi edk edm edo eds eec eed eee eek eem eeo ees eic eid eie eii eik eim eio eis ekc ekd eke eki eko eks em- emc emd eme emi emk emm emo ems eo- eoc eod eoe eoi eok eom eoo eos es- esc esd ese esi esk esm eso ess i-d icc icd ice ici ick icm ico ics idc idd ide idi idk idm ido ids ie- iec ied iee iei iek iem ies iic iid iie iii iim iio iis ikc ike iki ikk iko iks im- imc imd ime imi imm imo ims io- ioc iod ioe ioi iom ioo ios is- isc isd ise isi isk ism iso iss kcc kcd kce kci kck kcm kcs kdc kde kdk kdm kdo kds ke- kec ked kee kei kek kem keo kes kic kid kie kii kik kim kio kis kkc kke kki kkk kkm kks kmc kmd kme kmi kmk kmm kmo kms koc kod koe koi kok kom koo kos ksc ksd kse ksi ksk ksm kso kss m-o mc- mcc mcd mce mci mck mcm mco mcs mdc mdd mde mdi mdk mdm mdo mds mec med mee mei mek mem meo mes mi- mic mid mie mii mik mim mio mis mkc mkd mke mkk mkm mko mks mmc mmd mme mmi mmk mmm mmo mms moc mod moe moi mok mom moo mos msc msd mse msi msk msm mso mss o-i oc- occ ocd oci ock ocm oco ocs odc odd ode odi odm odo ods oec oed oee oei oem oeo oes oic oid oie oii oik oim oio ois okc okd oke oki okk oko oks om- omc omd ome omi omm omo oms oo- ooc ood ooi ook oom ooo oos os- osc osd ose osi osk osm oso oss scc scd sce sci sck scm sco scs sdc sdd sde sdi sdk sdm sdo sds se- sec sed see sei sek sem seo ses sic sid sie sii sik sim sio sis sk- skc skd ske ski skk skm sko sks smc smd sme smi smk smm smo sms soc sod soe soi sok som soo sos ss- ssc ssd sse ssi ssk ssm sso sss