-ic c-- ccc ccf cci cck ccu ccx cfc cff cfi cfk cfq cfu cfx ci- cic cif cii cik ciq ciu cix ckc cki ckx cqc cqf cqi cuc cuf cui cuk cuq cuu cxc cxf cxi cxk cxx fcc fcf fci fck fcu fcx ffc fff ffi ffk ffu ffx fic fif fii fik fiq fiu fix fkc fkf fki fkk fqx fuf fui fuk fuu fux fxi fxu fxx i-f icc icf ici ick icq icu ifc iff ifi ifu ifx iic iif iii iiu iix ikc ikf iki ikk iku ikx iqc iqu iu- iuc iui ixc ixi kcc kci kck kcu kcx kfc kff kfi kfu kfx kic kif kii kik kiu kix kkc kki kkk kku kuc kui kuk kuu qcc qci qfc qff qfi qfx qic qik qiu qix qki qqk qqq qqu qu- qui qux ucc ucf uci uck ucu ufc uff ufi ufu ufx uic uif uii uiq uiu ukc ukf uki ukk uku uuc uuu uxc uxf uxu xcf xci xcx xfx xic xii xiu xix xui xxi xxx