-ic c-- ccc ccd ccf cch cci cck ccs cdc cdd cdf cdh cdi cdk cds cfc cfd cff cfh cfi cfk cfs ch- chc chd chf chh chi chk chs ci- cic cid cif cih cii cik cis ckc ckd ckh cki cks csc csd csf csh csi csk css dcc dcd dcf dci dck dcs ddc ddd ddf ddh ddi ddk dds dfc dfd dff dfh dfi dfk dfs dh- dhc dhd dhf dhh dhi dhk dhs di- dic did dif dih dii dik dis dkc dki dkk dks dsc dsd dsf dsh dsi dsk dss fcc fcd fcf fci fck fcs fdc fdd fdf fdh fdi fdk fds ffc ffd fff ffh ffi ffk ffs fhc fhf fhh fhi fhs fic fid fif fih fii fik fis fkc fkf fki fkk fsc fsd fsf fsh fsi fsk fss h-i hcc hcd hcf hch hci hck hcs hdc hdd hdf hdh hdi hdk hds hfc hfd hff hfh hfi hfk hfs hhc hhd hhf hhh hhi hhk hhs hic hid hif hih hii hik his hkd hkf hkh hki hkk hks hsc hsd hsf hsh hsi hsk hss i-d i-f icc icd icf ich ici ick ics idc idd idf idh idi idk ids ifc ifd iff ifi ifs ihc ihd ihf ihh ihi ihk ihs iic iid iif iih iii iis ikc ikf iki ikk iks is- isc isd isf ish isi isk iss kcc kcd kch kci kck kcs kdc kdf kdh kdk kds kfc kfd kff kfh kfi kfs khf khh khi khk khs kic kid kif kih kii kik kis kkc kkh kki kkk kks ksc ksd ksf ksh ksi ksk kss scc scd scf sch sci sck scs sdc sdd sdf sdh sdi sdk sds sfc sfd sff sfh sfi sfk sfs sh- shc shd shf shh shi shk shs sic sid sif sih sii sik sis sk- skc skd skf skh ski skk sks ss- ssc ssd ssf ssh ssi ssk sss