-ic c-- ccc ccd ccf cci cck ccu cdc cdd cdf cdi cdk cdu cfc cfd cff cfi cfk cfu ci- cic cid cif cii cik ciu ckc ckd cki cuc cud cuf cui cuk cuu dcc dcd dcf dci dck dcu ddc ddd ddf ddi ddk ddu dfc dfd dff dfi dfk dfu di- dic did dif dii dik diu dkc dki dkk dku duc dud duf dui duk fcc fcd fcf fci fck fcu fdc fdd fdf fdi fdk fdu ffc ffd fff ffi ffk ffu fic fid fif fii fik fiu fkc fkf fki fkk fud fuf fui fuk fuu i-d i-f icc icd icf ici ick icu idc idd idf idi idk idu ifc ifd iff ifi ifu iic iid iif iii iiu ikc ikf iki ikk iku iu- iuc iud iui kcc kcd kci kck kcu kdc kdf kdk kdu kfc kfd kff kfi kfu kic kid kif kii kik kiu kkc kki kkk kku kuc kud kui kuk kuu ucc ucd ucf uci uck ucu udc udd udf udi udk udu ufc ufd uff ufi ufu uic uid uif uii uiu ukc ukf uki ukk uku uuc uuu