-ic c-- ccc ccf cci ccr ccs cct ccu cfc cff cfi cfr cfs cft cfu ci- cic cif cii cir cis cit ciu crc crf cri crr crs crt cru csc csf csi csr css cst csu ctc ctf cti ctr cts ctt ctu cuc cuf cui cur cus cut cuu fcc fcf fci fcr fcs fct fcu ffc fff ffi ffr ffs fft ffu fic fif fii fir fis fit fiu frc frf fri frr frs frt fru fsc fsf fsi fsr fss fst fsu ftc ftf fti ftr fts ftt ftu fuf fui fur fus fut fuu i-f icc icf ici icr ics ict icu ifc iff ifi ifr ifs ift ifu iic iif iii iir iis iit iiu ir- irc irf iri irr irs irt iru is- isc isf isi isr iss ist isu itc itf iti its itt itu iu- iuc iui iur ius iut rcc rcf rci rcr rcs rct rcu rfc rff rfi rfr rfs rft rfu ric rif rii rir ris rit rrc rrf rri rrr rrs rrt rru rsc rsf rsi rsr rss rst rsu rtc rtf rti rtr rts rtt rtu ruc ruf rui rur rus rut ruu scc scf sci scr scs sct scu sfc sff sfi sfr sfs sft sfu sic sif sii sir sis sit siu sr- src srf sri srr srs srt ss- ssc ssf ssi ssr sss sst ssu stc stf sti str sts stt stu suc suf sui sur sus sut suu tcc tcf tci tcr tcs tct tcu tfc tff tfi tfr tfs tft tfu tic tif tii tir tis tit tiu trc trf tri trr trs trt tru tsc tsf tsi tsr tss tst tsu ttc ttf tti ttr tts ttt ttu tuc tuf tui tur tus tut tuu ucc ucf uci ucr ucs uct ucu ufc uff ufi ufr ufs uft ufu uic uif uii uir uis uit uiu ur- urc urf uri urr urs urt uru usc usf usi usr uss ust usu utc utf uti utr uts utt utu uuc uur uus uut uuu