-ic c-- ccc ccf cci ccr ccu ccx cfc cff cfi cfr cfu cfx ci- cic cif cii cir ciu cix crc crf cri crr cru crx cuc cuf cui cur cuu cxc cxf cxi cxr cxx fcc fcf fci fcr fcu fcx ffc fff ffi ffr ffu ffx fic fif fii fir fiu fix frc frf fri frr fru fuf fui fur fuu fux fxi fxr fxu fxx i-f icc icf ici icr icu ifc iff ifi ifr ifu ifx iic iif iii iir iiu iix ir- irc irf iri irr iru irx iu- iuc iui iur ixc ixi rcc rcf rci rcr rcu rcx rfc rff rfi rfr rfu ric rif rii rir rix rrc rrf rri rrr rru ruc ruf rui rur ruu rux rxr ucc ucf uci ucr ucu ufc uff ufi ufr ufu ufx uic uif uii uir uiu ur- urc urf uri urr uru urx uuc uur uuu uxc uxf uxr uxu xcf xci xcr xcx xfx xic xii xiu xix xrc xrf xrx xui xxi xxx