-th a-a a-b a-t aaa aab aaf aah aan aao aar aat aay ab- aba abb abf abh abn abo abr abt aby af- afa afb aff afh afn afo afr aft afy aha ahb ahf ahh ahn aho ahr aht ahy an- ana anb anf anh ann ano anr ant any aoa aob aof aoh aon aoo aor aot ar- ara arb arf arh arn aro arr art ary at- ata atb atf ath atn ato atr att ay- aya ayf ayh ayn ayo ayr ayt baa bab baf bah ban bao bar bat bay bba bbb bbf bbh bbn bbo bbr bbt bby bfa bfb bff bfh bfn bfo bfr bft bfy bha bhb bhf bhh bho bhr bht bna bnb bnf bnn bno bnr bnt boa bob bof boh bon boo bor bot boy bra brb brf brh brn bro brr brt bry bta btb btf bth btn bto btr btt bty by- bya byf byh byn byo byr byt faa fab faf fah fan fao far fat fay fba fbb fbf fbh fbn fbo fbr fbt ffa fff ffh ffn ffo ffr fft ffy fha fhb fhf fhh fhn fho fhr fna fnb fnf fnh fnn fnr fnt foa fob fof foh fon foo for fot foy fra frb frf frh frn fro frr frt fry fta ftb ftf fth ftn fto ftr ftt fty fy- fya fyb fyn fyo haa hab haf hah han hao har hat hay hba hbb hbf hbh hbn hbo hbr hbt hby hfa hfb hff hfh hfn hfo hfr hft hfy hha hhb hhf hhh hhn hho hhr hht hhy hna hnb hnf hnh hnn hno hnt hny hoa hob hof hoh hon hoo hor hot hoy hr- hra hrb hrf hrh hrn hro hrr hrt hta htb htf hth htn hto htr htt hty hy- hya hyb hyh hyn hyo hyr hyt hyy naa nab naf nah nan nao nar nat nay nba nbb nbf nbn nbo nbr nbt nfa nfb nff nfn nfo nfr nft nha nhb nhf nhh nhn nhr nht nhy nna nnb nnf nnh nnn nno nnt no- noa nob nof noh non noo nor not noy nra nrb nrf nrn nro nrr nrt nry nta ntb ntf nth ntn nto ntr ntt nya nyf nyn nyo nyt nyy oaa oab oaf oah oan oao oar oat ob- oba obb obf obh obn obo obr obt oby of- ofa ofb off ofn ofo ofr oft oha ohf ohh ohn oho ohr oht on- ona onb onf onh onn ono onr ont ony oo- ooa oob oof ooh oon ooo oor oot or- ora orb orf orh orn oro orr ort ory ot- ota otb otf oth otn oto otr ott oya oyo ra- raa rab raf rah ran rao rar rat ray rba rbb rbf rbh rbn rbo rbr rbt rfa rfb rff rfh rfn rfo rfr rft rh- rha rhb rhf rhh rhn rho rhr rht rna rnb rnh rnn rno rnr rnt rny roa rob rof roh ron roo ror rot roy rra rrb rrf rrh rrn rrr rrt rta rtb rtf rtn rto rtr rtt rty ry- rya ryf ryn ryo ryr ryy taa tab taf tah tan tao tar tat tay tba tbb tbf tbh tbn tbo tbr tbt tfa tfb tff tfh tfn tfo tfr tft th- tha thb thf thh thn tho thr tht thy tna tnb tnf tnh tnn tno tnr tnt to- toa tob tof toh ton too tor tot toy tra trb trf trh trn tro trr trt try tta ttb ttf tth ttn tto ttr ttt tty tya tyf tyn tyo tyr tyt yaa yab yaf yah yan yao yar yat yay ybf ybr yby yfa yff yfr yft yha yht yna ynn yny yob yof yon yoo yor yot yoy yra yrf yrn yro yrt yta ytf yth ytn yto ytr ytt yyb yyf yyt yyy