-th a-a a-b a-i a-t aaa aab aaf aah aai aan aao aar aas aat ab- aba abb abf abh abi abn abo abr abs abt af- afa afb aff afh afi afn afo afr afs aft aha ahb ahf ahh ahi ahn aho ahr ahs aht ai- aia aib aif aih aii ain aio air ais ait an- ana anb anf anh ani ann ano anr ans ant aoa aob aof aoh aoi aon aoo aor aos aot ar- ara arb arf arh ari arn aro arr ars art as- asa asb asf ash asi asn aso asr ass ast at- ata atb atf ath ati atn ato atr ats att baa bab baf bah bai ban bao bar bas bat bba bbb bbf bbh bbi bbn bbo bbr bbs bbt bfa bfb bff bfh bfi bfn bfo bfr bfs bft bha bhb bhf bhh bhi bho bhr bhs bht bi- bia bib bif bih bii bin bio bir bis bit bna bnb bnf bni bnn bno bnr bns bnt boa bob bof boh boi bon boo bor bos bot bra brb brf brh bri brn bro brr brs brt bsa bsb bsf bsh bsi bsn bso bsr bss bst bta btb btf bth bti btn bto btr bts btt faa fab faf fah fai fan fao far fas fat fba fbb fbf fbh fbi fbn fbo fbr fbs fbt ffa fff ffh ffi ffn ffo ffr ffs fft fha fhb fhf fhh fhi fhn fho fhr fhs fia fib fif fih fii fin fir fis fit fna fnb fnf fnh fni fnn fnr fns fnt foa fob fof foh foi fon foo for fos fot fra frb frf frh fri frn fro frr frs frt fsa fsb fsf fsh fsi fsn fso fsr fss fst fta ftb ftf fth fti ftn fto ftr fts ftt h-i haa hab haf hah hai han hao har has hat hba hbb hbf hbh hbi hbn hbo hbr hbs hbt hfa hfb hff hfh hfi hfn hfo hfr hfs hft hha hhb hhf hhh hhi hhn hho hhr hhs hht hia hib hif hih hii hin hio hir his hit hna hnb hnf hnh hnn hno hns hnt hoa hob hof hoh hoi hon hoo hor hos hot hr- hra hrb hrf hrh hri hrn hro hrr hrs hrt hsa hsb hsf hsh hsi hsn hsr hss hst hta htb htf hth hti htn hto htr hts htt i-f ia- iaa iab iaf iah iai ian iao iar ias iat iba ibb ibf ibh ibi ibn ibo ibr ibs ibt ifa ifb iff ifi ifn ifo ifr ifs ift iha ihb ihf ihh ihi ihn iho ihr ihs iht iia iib iif iih iii iin iio iir iis iit in- ina inb inf inh ini inn ino inr ins int io- ioa iob iof ioh ioi ion ioo ior ios iot ir- ira irb irf iri irn iro irr irs irt is- isa isb isf ish isi isn iso isr iss ist ita itb itf ith iti itn ito its itt n-i naa nab naf nah nai nan nao nar nas nat nba nbb nbf nbi nbn nbo nbr nbs nbt nfa nfb nff nfi nfn nfo nfr nfs nft nha nhb nhf nhh nhi nhn nhr nhs nht nia nib nif nih nii nin nio nir nis nit nna nnb nnf nnh nni nnn nno nns nnt no- noa nob nof noh noi non noo nor nos not nra nrb nrf nri nrn nro nrr nrs nrt nsa nsb nsf nsh nsi nsn nso nsr nss nst nta ntb ntf nth nti ntn nto ntr nts ntt o-i oaa oab oaf oah oai oan oao oar oas oat ob- oba obb obf obh obi obn obo obr obs obt of- ofa ofb off ofi ofn ofo ofr ofs oft oha ohf ohh ohi ohn oho ohr ohs oht oia oib oif oii oin oio oir ois oit on- ona onb onf onh oni onn ono onr ons ont oo- ooa oob oof ooh ooi oon ooo oor oos oot or- ora orb orf orh ori orn oro orr ors ort os- osa osb osf osh osi osn oso osr oss ost ot- ota otb otf oth oti otn oto otr ots ott ra- raa rab raf rah rai ran rao rar ras rat rba rbb rbf rbh rbi rbn rbo rbr rbs rbt rfa rfb rff rfh rfi rfn rfo rfr rfs rft rh- rha rhb rhf rhh rhi rhn rho rhr rhs rht ria rib rif rih rii rin rio rir ris rit rna rnb rnh rni rnn rno rnr rns rnt roa rob rof roh roi ron roo ror ros rot rra rrb rrf rrh rri rrn rrr rrs rrt rsa rsb rsf rsh rsi rsn rso rsr rss rst rta rtb rtf rti rtn rto rtr rts rtt saa sab saf sah sai san sao sar sas sat sba sbb sbf sbh sbi sbn sbo sbr sbs sbt sfa sfb sff sfh sfi sfn sfo sfr sfs sft sh- sha shb shf shh shi shn sho shr shs sht sia sib sif sih sii sin sio sir sis sit sna snb snf sni snn sno snr sns snt soa sob sof soh soi son soo sor sos sot sr- sra srb srf srh sri srn sro srr srs srt ss- ssa ssb ssf ssh ssi ssn sso ssr sss sst sta stb stf sth sti stn sto str sts stt taa tab taf tah tai tan tao tar tas tat tba tbb tbf tbh tbi tbn tbo tbr tbs tbt tfa tfb tff tfh tfi tfn tfo tfr tfs tft th- tha thb thf thh thi thn tho thr ths tht tia tib tif tih tii tin tio tir tis tit tna tnb tnf tnh tni tnn tno tnr tns tnt to- toa tob tof toh toi ton too tor tos tot tra trb trf trh tri trn tro trr trs trt tsa tsb tsf tsh tsi tsn