-ic c-- ccc ccf cci ccl ccr ccs ccu cfc cff cfi cfl cfr cfs cfu ci- cic cif cii cil cir cis ciu cl- clc clf cli cll clr cls clu crc crf cri crl crr crs cru csc csf csi csl csr css csu cuc cuf cui cul cur cus cuu fcc fcf fci fcl fcr fcs fcu ffc fff ffi ffl ffr ffs ffu fic fif fii fil fir fis fiu flc flf fli fll flr fls flu frc frf fri frl frr frs fru fsc fsf fsi fsl fsr fss fsu fuf fui ful fur fus fuu i-f icc icf ici icl icr ics icu ifc iff ifi ifl ifr ifs ifu iic iif iii iil iir iis iiu il- ilc ilf ili ill ilr ils ilu ir- irc irf iri irl irr irs iru is- isc isf isi isl isr iss isu iu- iuc iui iur ius lcc lcf lci lcl lcr lcs lcu lfc lff lfi lfl lfr lfs lfu lic lif lii lil lir lis liu llc llf lli lll llr lls llu lrc lrf lri lrr lrs lru lsc lsf lsi lsl lsr lss lsu luc luf lui lul lur lus luu rcc rcf rci rcl rcr rcs rcu rfc rff rfi rfl rfr rfs rfu ric rif rii ril rir ris rlc rlf rli rll rlr rls rlu rrc rrf rri rrl rrr rrs rru rsc rsf rsi rsl rsr rss rsu ruc ruf rui rur rus ruu scc scf sci scl scr scs scu sfc sff sfi sfl sfr sfs sfu sic sif sii sil sir sis siu slc slf sli sll slr sls slu sr- src srf sri srl srr srs ss- ssc ssf ssi ssl ssr sss ssu suc suf sui sul sur sus suu ucc ucf uci ucl ucr ucs ucu ufc uff ufi ufl ufr ufs ufu uic uif uii uil uir uis uiu ulc ulf uli ull ulr uls ulu ur- urc urf uri url urr urs uru usc usf usi usl usr uss usu uuc uur uus uuu