-ic a-a a-c a-i a-t aaa aac aai aas aat aay ac- aca acc aci acs act acy ai- aia aic aii ais ait aiy as- asa asc asi ass ast asy at- ata atc ati ats att ay- aya ayc ayi ays ayt c-- caa cac cai cas cat cay cca ccc cci ccs cct ci- cia cic cii cis cit csa csc csi css cst csy cta ctc cti cts ctt cty cya cyc cys cyt ia- iaa iac iai ias iat ica icc ici ics ict icy iia iic iii iis iit is- isa isc isi iss ist isy ita itc iti its itt ity iya iyc iys iyt iyy saa sac sai sas sat say sca scc sci scs sct sia sic sii sis sit ss- ssa ssc ssi sss sst sta stc sti sts stt sty sy- sya syc syi sys syt taa tac tai tas tat tay tca tcc tci tcs tct tia tic tii tis tit tiy tsa tsc tsi tss tst tsy tta ttc tti tts ttt tty tya tyc tys tyt yaa yac yai yas yat yay yca ycc yci ycs ycy yii yis yit ysa ysc ysi yss yst ysy yta ytc yts ytt yyc yys yyt yyy