a-a a-b a-t aaa aab aak aan aar aas aat aay ab- aba abb abk abn abr abs abt aby aka akb akk akn akr aks an- ana anb ank ann anr ans ant any ar- ara arb ark arn arr ars art ary as- asa asb ask asn asr ass ast asy at- ata atb atn atr ats att ay- aya ayk ayn ayr ays ayt baa bab bak ban bar bas bat bay bba bbb bbk bbn bbr bbs bbt bby bka bkb bkk bkn bkr bks bkt bna bnb bnk bnn bnr bns bnt bra brb brk brn brr brs brt bry bsa bsb bsk bsn bsr bss bst bsy bta btb btk btn btr bts btt bty by- bya byk byn byr bys byt k-t ka- kaa kab kak kan kar kas kat kay kba kbb kbk kbn kbr kbs kkb kkk kkn kkr kks kkt kky kn- kna knk knn knr knt kra krk krn krr krs krt kry ksa ksb ksk ksn ksr kss kst kta ktb ktk ktn ktr kts ktt kya kyn kyr kys kyt naa nab nak nan nar nas nat nay nba nbb nbk nbn nbr nbs nbt nka nkk nkn nkr nks nkt nky nna nnb nnk nnn nns nnt nra nrb nrk nrn nrr nrs nrt nry nsa nsb nsk nsn nsr nss nst nsy nta ntb ntk ntn ntr nts ntt nya nyk nyn nys nyt nyy ra- raa rab rak ran rar ras rat ray rba rbb rbk rbn rbr rbs rbt rkb rkk rks rkt rky rna rnb rnn rnr rns rnt rny rra rrb rrk rrn rrr rrs rrt rsa rsb rsk rsn rsr rss rst rta rtb rtk rtn rtr rts rtt rty ry- rya ryk ryn ryr rys ryy saa sab sak san sar sas sat say sba sbb sbk sbn sbr sbs sbt sby sk- ska skb skk skr sks skt sky sna snb snk snn snr sns snt sny sr- sra srb srk srn srr srs srt sry ss- ssa ssb ssk ssn ssr sss sst sta stb stk stn str sts stt sty sy- sya syb syk syn syr sys syt taa tab tak tan tar tas tat tay tba tbb tbk tbn tbr tbs tbt tka tkb tkk tkr tks tkt tky tna tnb tnk tnn tnr tns tnt tra trb trk trn trr trs trt try tsa tsb tsk tsn tsr tss tst tsy tta ttb ttk ttn ttr tts ttt tty tya tyn tyr tys tyt yaa yab yak yan yar yas yat yay ybr ybs yby yka ykk ykn yna ynk ynn yns yny yra yrn yrs yrt ysa ysb ysk ysr yss yst ysy yta ytk ytn ytr yts ytt yyb yys yyt yyy