-th a-a a-b a-i a-t aaa aab aaf aag aah aai aan aao aas aat ab- aba abb abf abg abh abi abn abo abs abt af- afa afb aff afg afh afi afn afo afs aft ag- aga agb agf agg agh agi agn ago ags agt aha ahb ahf ahg ahh ahi ahn aho ahs aht ai- aia aib aif aig aih aii ain aio ais ait an- ana anb anf ang anh ani ann ano ans ant aoa aob aof aog aoh aoi aon aoo aos aot as- asa asb asf asg ash asi asn aso ass ast at- ata atb atf atg ath ati atn ato ats att baa bab baf bag bah bai ban bao bas bat bba bbb bbf bbg bbh bbi bbn bbo bbs bbt bfa bfb bff bfg bfh bfi bfn bfo bfs bft bga bgb bgf bgg bgh bgi bgn bgo bgs bgt bha bhb bhf bhg bhh bhi bho bhs bht bi- bia bib bif big bih bii bin bio bis bit bna bnb bnf bng bni bnn bno bns bnt boa bob bof bog boh boi bon boo bos bot bsa bsb bsf bsg bsh bsi bsn bso bss bst bta btb btf btg bth bti btn bto bts btt faa fab faf fag fah fai fan fao fas fat fba fbb fbf fbg fbh fbi fbn fbo fbs fbt ffa fff ffg ffh ffi ffn ffo ffs fft fga fgb fgf fgg fgh fgi fgn fgs fgt fha fhb fhf fhg fhh fhi fhn fho fhs fia fib fif fig fih fii fin fis fit fna fnb fnf fng fnh fni fnn fns fnt foa fob fof fog foh foi fon foo fos fot fsa fsb fsf fsg fsh fsi fsn fso fss fst fta ftb ftf ftg fth fti ftn fto fts ftt gaa gab gaf gag gah gai gan gao gas gat gba gbf gbg gbh gbi gbn gbo gbs gbt gfa gfb gff gfh gfi gfo gfs gft gga ggb ggg ggh ggi ggn ggo ggs ggt gha ghb ghg ghh ghi ghn gho ghs ght gia gib gif gig gih gii gin gio gis git gna gnb gnf gni gnn gno gns gnt goa gob gof gog goh goi gon goo gos got gsa gsb gsf gsg gsi gsn gso gss gst gta gtb gtf gtg gth gti gtn gto gts gtt h-i haa hab haf hag hah hai han hao has hat hba hbb hbf hbg hbh hbi hbn hbo hbs hbt hfa hfb hff hfg hfh hfi hfn hfo hfs hft hga hgb hgf hgg hgh hgi hgn hgo hgs hgt hha hhb hhf hhg hhh hhi hhn hho hhs hht hia hib hif hig hih hii hin hio his hit hna hnb hnf hng hnh hnn hno hns hnt hoa hob hof hog hoh hoi hon hoo hos hot hsa hsb hsf hsg hsh hsi hsn hss hst hta htb htf htg hth hti htn hto hts htt i-f ia- iaa iab iaf iag iah iai ian iao ias iat iba ibb ibf ibg ibh ibi ibn ibo ibs ibt ifa ifb iff ifg ifi ifn ifo ifs ift iga igb igf igg igh igi ign igo igs igt iha ihb ihf ihg ihh ihi ihn iho ihs iht iia iib iif iih iii iin iio iis iit in- ina inb inf ing inh ini inn ino ins int io- ioa iob iof iog ioh ioi ion ioo ios iot is- isa isb isf isg ish isi isn iso iss ist ita itb itf itg ith iti itn ito its itt n-i naa nab naf nag nah nai nan nao nas nat nba nbb nbf nbg nbi nbn nbo nbs nbt nfa nfb nff nfi nfn nfo nfs nft nga ngb ngf ngg ngh ngi ngn ngo ngs ngt nha nhb nhf nhg nhh nhi nhn nhs nht nia nib nif nig nih nii nin nio nis nit nna nnb nnf nng nnh nni nnn nno nns nnt no- noa nob nof nog noh noi non noo nos not nsa nsb nsf nsg nsh nsi nsn nso nss nst nta ntb ntf ntg nth nti ntn nto nts ntt o-i oaa oab oaf oag oah oai oan oao oas oat ob- oba obb obf obg obh obi obn obo obs obt of- ofa ofb off ofg ofi ofn ofo ofs oft oga ogf ogg ogh ogi ogn ogo ogs ogt oha ohf ohg ohh ohi ohn oho ohs oht oia oib oif oii oin oio ois oit on- ona onb onf ong onh oni onn ono ons ont oo- ooa oob oof oog ooh ooi oon ooo oos oot os- osa osb osf osg osh osi osn oso oss ost ot- ota otb otf otg oth oti otn oto ots ott saa sab saf sag sah sai san sao sas sat sba sbb sbf sbg sbh sbi sbn sbo sbs sbt sfa sfb sff sfg sfh sfi sfn sfo sfs sft sga sgb sgf sgg sgh sgi sgn sgo sgs sgt sh- sha shb shf shg shh shi shn sho shs sht sia sib sif sig sih sii sin sio sis sit sna snb snf sng sni snn sno sns snt soa sob sof sog soh soi son soo sos sot ss- ssa ssb ssf ssg ssh ssi ssn sso sss sst sta stb stf stg sth sti stn sto sts stt taa tab taf tag tah tai tan tao tas tat tba tbb tbf tbg tbh tbi tbn tbo tbs tbt tfa tfb tff tfg tfh tfi tfn tfo tfs tft tga tgb tgf tgg tgh tgi tgn tgo tgs tgt th- tha thb thf thg thh thi thn tho ths tht tia tib tif tig tih tii tin tio tis tit tna tnb tnf tng tnh tni tnn tno tns tnt to- toa tob tof tog toh toi ton too tos tot tsa tsb tsf tsg tsh tsi tsn tso tss tst tta ttb ttf ttg tth tti ttn