a-a a-t aaa aan aao aar aas aat aax aay an- ana ann ano anr ans ant anx any aoa aon aoo aor aos aot aox ar- ara arn aro arr ars art arx ary as- asa asn aso asr ass ast asx asy at- ata atn ato atr ats att atx ax- axa axn axo axr axs axt axx ay- aya ayn ayo ayr ays ayt ayx naa nan nao nar nas nat nax nay nna nnn nno nns nnt no- noa non noo nor nos not nox noy nra nrn nro nrr nrs nrt nrx nry nsa nsn nso nsr nss nst nsx nsy nta ntn nto ntr nts ntt ntx nxt nya nyn nyo nys nyt nyx nyy oaa oan oao oar oas oat oax on- ona onn ono onr ons ont onx ony oo- ooa oon ooo oor oos oot oox or- ora orn oro orr ors ort orx ory os- osa osn oso osr oss ost osx ot- ota otn oto otr ots ott ox- oxa oxn oxo oxt oxx oxy oya oyo oys ra- raa ran rao rar ras rat rax ray rna rnn rno rnr rns rnt rny roa ron roo ror ros rot rox roy rra rrn rrr rrs rrt rsa rsn rso rsr rss rst rsx rta rtn rto rtr rts rtt rtx rty rxr rxs ry- rya ryn ryo ryr rys ryy saa san sao sar sas sat sax say sna snn sno snr sns snt sny soa son soo sor sos sot sox soy sr- sra srn sro srr srs srt srx sry ss- ssa ssn sso ssr sss sst ssx sta stn sto str sts stt stx sty sxn sxs sxt sy- sya syn syr sys syt syx t-x taa tan tao tar tas tat tax tay tna tnn tno tnr tns tnt tnx to- toa ton too tor tos tot tox toy tra trn tro trr trs trt trx try tsa tsn tso tsr tss tst tsx tsy tta ttn tto ttr tts ttt ttx tty txn txs txt tya tyn tyo tyr tys tyt xaa xan xar xas xat xna xno xns xoa xon xoo xor xos xot xox xrt xrx xry xsa xss xst xtr xts xtx xty xxo xxx xxy xyr xyy yaa yan yao yar yas yat yax yay yna ynn yns yny yon yoo yor yos yot yox yoy yra yrn yro yrs yrt ysa yso ysr yss yst ysy yta ytn yto ytr yts ytt yxa yxy yys yyt yyy