a-a a-b a-t aaa aab aak aan aao aar aas aat aay ab- aba abb abk abn abo abr abs abt aby aka akb akk akn ako akr aks an- ana anb ank ann ano anr ans ant any aoa aob aok aon aoo aor aos aot ar- ara arb ark arn aro arr ars art ary as- asa asb ask asn aso asr ass ast asy at- ata atb atn ato atr ats att ay- aya ayk ayn ayo ayr ays ayt baa bab bak ban bao bar bas bat bay bba bbb bbk bbn bbo bbr bbs bbt bby bka bkb bkk bkn bko bkr bks bkt bna bnb bnk bnn bno bnr bns bnt boa bob bok bon boo bor bos bot boy bra brb brk brn bro brr brs brt bry bsa bsb bsk bsn bso bsr bss bst bsy bta btb btk btn bto btr bts btt bty by- bya byk byn byo byr bys byt k-t ka- kaa kab kak kan kao kar kas kat kay kba kbb kbk kbn kbo kbr kbs kkb kkk kkn kkr kks kkt kky kn- kna knk knn kno knr knt koa kob kok kon koo kor kos kot koy kra krk krn kro krr krs krt kry ksa ksb ksk ksn kso ksr kss kst kta ktb ktk ktn kto ktr kts ktt kya kyn kyo kyr kys kyt naa nab nak nan nao nar nas nat nay nba nbb nbk nbn nbo nbr nbs nbt nka nkk nkn nko nkr nks nkt nky nna nnb nnk nnn nno nns nnt no- noa nob nok non noo nor nos not noy nra nrb nrk nrn nro nrr nrs nrt nry nsa nsb nsk nsn nso nsr nss nst nsy nta ntb ntk ntn nto ntr nts ntt nya nyk nyn nyo nys nyt nyy oaa oab oak oan oao oar oas oat ob- oba obb obk obn obo obr obs obt oby oka okb okk oko okr oks on- ona onb onk onn ono onr ons ont ony oo- ooa oob ook oon ooo oor oos oot or- ora orb ork orn oro orr ors ort ory os- osa osb osk osn oso osr oss ost ot- ota otb otk otn oto otr ots ott oya oyo oys ra- raa rab rak ran rao rar ras rat ray rba rbb rbk rbn rbo rbr rbs rbt rkb rkk rko rks rkt rky rna rnb rnn rno rnr rns rnt rny roa rob rok ron roo ror ros rot roy rra rrb rrk rrn rrr rrs rrt rsa rsb rsk rsn rso rsr rss rst rta rtb rtk rtn rto rtr rts rtt rty ry- rya ryk ryn ryo ryr rys ryy saa sab sak san sao sar sas sat say sba sbb sbk sbn sbo sbr sbs sbt sby sk- ska skb skk sko skr sks skt sky sna snb snk snn sno snr sns snt sny soa sob sok son soo sor sos sot soy sr- sra srb srk srn sro srr srs srt sry ss- ssa ssb ssk ssn sso ssr sss sst sta stb stk stn sto str sts stt sty sy- sya syb syk syn syr sys syt taa tab tak tan tao tar tas tat tay tba tbb tbk tbn tbo tbr tbs tbt tka tkb tkk tko tkr tks tkt tky tna tnb tnk tnn tno tnr tns tnt to- toa tob tok ton too tor tos tot toy tra trb trk trn tro trr trs trt try tsa tsb tsk tsn tso tsr tss tst tsy tta ttb ttk ttn tto ttr tts ttt tty tya tyn tyo tyr tys tyt yaa yab yak yan yao yar yas yat yay ybr ybs yby yka ykk ykn yna ynk ynn yns yny yob yok yon yoo yor yos yot yoy yra yrn yro yrs yrt ysa ysb ysk yso ysr yss yst ysy yta ytk ytn yto ytr yts ytt yyb yys yyt yyy