a-a a-c a-t a-z aaa aac aao aar aas aat aay aaz ac- aca acc aco acr acs act acy acz aoa aoc aoo aor aos aot ar- ara arc aro arr ars art ary arz as- asa asc aso asr ass ast asy asz at- ata atc ato atr ats att atz ay- aya ayc ayo ayr ays ayt ayz az- aza azo azs azt azy azz c-- caa cac cao car cas cat cay caz cca ccc cco ccr ccs cct ccz co- coa coc coo cor cos cot coy coz cra crc cro crr crs crt cry crz csa csc cso csr css cst csy csz cta ctc cto ctr cts ctt cty ctz cya cyc cyo cyr cys cyt cz- czc czo czt oaa oac oao oar oas oat oc- oca occ oco ocr ocs oct ocz oo- ooa ooc ooo oor oos oot or- ora orc oro orr ors ort ory orz os- osa osc oso osr oss ost ot- ota otc oto otr ots ott otz oya oyo oys oza ozo ozs ozt ozz ra- raa rac rao rar ras rat ray raz rca rcc rco rcr rcs rct roa roc roo ror ros rot roy roz rra rrc rrr rrs rrt rsa rsc rso rsr rss rst rta rtc rto rtr rts rtt rty rtz ry- rya ryc ryo ryr rys ryy ryz rza rzo rzy saa sac sao sar sas sat say saz sca scc sco scr scs sct soa soc soo sor sos sot soy soz sr- sra src sro srr srs srt sry ss- ssa ssc sso ssr sss sst ssz sta stc sto str sts stt sty stz sy- sya syc syr sys syt sza szr taa tac tao tar tas tat tay taz tca tcc tco tcr tcs tct to- toa toc too tor tos tot toy toz tra trc tro trr trs trt try trz tsa tsc tso tsr tss tst tsy tta ttc tto ttr tts ttt tty tya tyc tyo tyr tys tyt tza tzs yaa yac yao yar yas yat yay yaz yca ycc yco ycs ycy yoc yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysc yso ysr yss yst ysy ysz yta ytc yto ytr yts ytt yyc yys yyt yyy yyz yzr yzy zaa zac zao zar zas zat zay zaz zco zcs zo- zoa zoc zoo zor zos zot zro zrs zsa zst zsz zta ztr zzr zzs zzt zzy zzz