-ic c-- ccc ccd cci cck ccr ccs cct ccu cdc cdd cdi cdk cdr cds cdt cdu cdy ci- cic cid cii cik cir cis cit ciu ckc ckd cki cks ckt cky crc crd cri crk crr crs crt cru cry csc csd csi csk csr css cst csu csy ctc ctd cti ctk ctr cts ctt ctu cty cuc cud cui cuk cur cus cut cuu cuy cyc cyd cyk cyr cys cyt dcc dcd dci dck dcr dcs dct dcu ddc ddd ddi ddk ddr dds ddt ddu ddy di- dic did dii dik dir dis dit diu diy dkc dki dkk dkr dks dkt dku drc drd dri drk drr drs drt dru dry dsc dsd dsi dsk dsr dss dst dsu dsy dtc dtd dti dtk dtr dts dtt dtu dty duc dud dui duk dur dus dut duy dy- dyc dyd dyk dyr dys dyu dyy i-d icc icd ici ick icr ics ict icu icy idc idd idi idk idr ids idt idu idy iic iid iii iir iis iit iiu ikc iki ikk ikr iks ikt iku ir- irc ird iri irk irr irs irt iru iry is- isc isd isi isk isr iss ist isu isy itc itd iti itk its itt itu ity iu- iuc iud iui iur ius iut iyc iyr iys iyt iyy k-t kcc kcd kci kck kcr kcs kct kcu kdc kdk kdr kds kdt kdu kdy kic kid kii kik kir kis kit kiu kkc kki kkk kkr kks kkt kku kky krc krd kri krk krr krs krt kru kry ksc ksd ksi ksk ksr kss kst ksu ktc ktk ktr kts ktt ktu kuc kud kui kuk kur kus kut kuu kuy kyc kyd kyr kys kyt kyu rcc rcd rci rcr rcs rct rcu rdc rdd rdi rdr rds rdt rdu rdy ric rid rii rik rir ris rit riy rkc rkk rks rkt rku rky rrc rrd rri rrk rrr rrs rrt rru rsc rsd rsi rsk rsr rss rst rsu rtc rtd rti rtk rtr rts rtt rtu rty ruc rud rui ruk rur rus rut ruu ruy ry- ryc ryd ryk ryr rys ryu ryy scc scd sci sck scr scs sct scu sdc sdd sdi sdk sdr sds sdt sdu sdy sic sid sii sik sir sis sit siu sk- skc skd ski skk skr sks skt sku sky sr- src srd sri srk srr srs srt sry ss- ssc ssd ssi ssk ssr sss sst ssu stc std sti stk str sts stt stu sty suc sud sui suk sur sus sut suu suy sy- syc syd syi syk syr sys syt syu tcc tcd tci tck tcr tcs tct tcu tdc tdd tdi tdk tdr tds tdt tdu tdy tic tid tii tik tir tis tit tiu tiy tkc tkk tkr tks tkt tky trc trd tri trk trr trs trt tru try tsc tsd tsi tsk tsr tss tst tsu tsy ttc ttd tti ttk ttr tts ttt ttu tty tuc tud tui tuk tur tus tut tuu tuy tyc tyd tyr tys tyt ucc ucd uci uck ucr ucs uct ucu udc udd udi udk udr uds udt udu uic uid uii uir uis uit uiu ukc uki ukk ukr uku ur- urc urd uri urk urr urs urt uru ury usc usd usi usk usr uss ust usu utc utd uti utk utr uts utt utu uty uuc uur uus uut uuu uyc uyi uys uyu ycc ycd yci ycs ycu ycy yds ydt ydy yid yii yir yis yit yki ykk yrc yrs yrt yru ysc ysi ysk ysr yss yst ysu ysy ytc ytd ytk ytr yts ytt ytu yud yui yuk yur yus yut yuu yuy yyc yys yyt yyu yyy