-ic a-a a-c a-i a-t aaa aac aai aar aas aat aay ac- aca acc aci acr acs act acy ai- aia aic aii air ais ait aiy ar- ara arc ari arr ars art ary as- asa asc asi asr ass ast asy at- ata atc ati atr ats att ay- aya ayc ayi ayr ays ayt c-- caa cac cai car cas cat cay cca ccc cci ccr ccs cct ci- cia cic cii cir cis cit cra crc cri crr crs crt cry csa csc csi csr css cst csy cta ctc cti ctr cts ctt cty cya cyc cyr cys cyt ia- iaa iac iai iar ias iat ica icc ici icr ics ict icy iia iic iii iir iis iit ir- ira irc iri irr irs irt iry is- isa isc isi isr iss ist isy ita itc iti its itt ity iya iyc iyr iys iyt iyy ra- raa rac rai rar ras rat ray rca rcc rci rcr rcs rct ria ric rii rir ris rit riy rra rrc rri rrr rrs rrt rsa rsc rsi rsr rss rst rta rtc rti rtr rts rtt rty ry- rya ryc ryr rys ryy saa sac sai sar sas sat say sca scc sci scr scs sct sia sic sii sir sis sit sr- sra src sri srr srs srt sry ss- ssa ssc ssi ssr sss sst sta stc sti str sts stt sty sy- sya syc syi syr sys syt taa tac tai tar tas tat tay tca tcc tci tcr tcs tct tia tic tii tir tis tit tiy tra trc tri trr trs trt try tsa tsc tsi tsr tss tst tsy tta ttc tti ttr tts ttt tty tya tyc tyr tys tyt yaa yac yai yar yas yat yay yca ycc yci ycs ycy yii yir yis yit yra yrc yrs yrt ysa ysc ysi ysr yss yst ysy yta ytc ytr yts ytt yyc yys yyt yyy