a-a a-c a-t aaa aac aad aak aar aas aat aay ac- aca acc acd ack acr acs act acy ad- ada adc add adk adr ads adt ady aka akc akd akk akr aks ar- ara arc ard ark arr ars art ary as- asa asc asd ask asr ass ast asy at- ata atc atd atr ats att ay- aya ayc ayd ayk ayr ays ayt c-- caa cac cad cak car cas cat cay cca ccc ccd cck ccr ccs cct cda cdc cdd cdk cdr cds cdt cdy cka ckc ckd cks ckt cky cra crc crd crk crr crs crt cry csa csc csd csk csr css cst csy cta ctc ctd ctk ctr cts ctt cty cya cyc cyd cyk cyr cys cyt daa dac dad dak dar das dat day dca dcc dcd dck dcr dcs dct dda ddc ddd ddk ddr dds ddt ddy dka dkc dkk dkr dks dkt dra drc drd drk drr drs drt dry dsa dsc dsd dsk dsr dss dst dsy dta dtc dtd dtk dtr dts dtt dty dy- dya dyc dyd dyk dyr dys dyy k-t ka- kaa kac kad kak kar kas kat kay kca kcc kcd kck kcr kcs kct kda kdc kdk kdr kds kdt kdy kkc kkk kkr kks kkt kky kra krc krd krk krr krs krt kry ksa ksc ksd ksk ksr kss kst kta ktc ktk ktr kts ktt kya kyc kyd kyr kys kyt ra- raa rac rad rak rar ras rat ray rca rcc rcd rcr rcs rct rda rdc rdd rdr rds rdt rdy rkc rkk rks rkt rky rra rrc rrd rrk rrr rrs rrt rsa rsc rsd rsk rsr rss rst rta rtc rtd rtk rtr rts rtt rty ry- rya ryc ryd ryk ryr rys ryy saa sac sad sak sar sas sat say sca scc scd sck scr scs sct sda sdc sdd sdk sdr sds sdt sdy sk- ska skc skd skk skr sks skt sky sr- sra src srd srk srr srs srt sry ss- ssa ssc ssd ssk ssr sss sst sta stc std stk str sts stt sty sy- sya syc syd syk syr sys syt taa tac tad tak tar tas tat tay tca tcc tcd tck tcr tcs tct tda tdc tdd tdk tdr tds tdt tdy tka tkc tkk tkr tks tkt tky tra trc trd trk trr trs trt try tsa tsc tsd tsk tsr tss tst tsy tta ttc ttd ttk ttr tts ttt tty tya tyc tyd tyr tys tyt yaa yac yad yak yar yas yat yay yca ycc ycd ycs ycy yda yds ydt ydy yka ykk yra yrc yrs yrt ysa ysc ysk ysr yss yst ysy yta ytc ytd ytk ytr yts ytt yyc yys yyt yyy