a-a a-b a-i a-t aaa aab aag aai aan aao aar aas aat aau aax ab- aba abb abg abi abn abo abr abs abt abu abx ag- aga agb agg agi agn ago agr ags agt agu agx ai- aia aib aig aii ain aio air ais ait aiu aix an- ana anb ang ani ann ano anr ans ant anu anx aoa aob aog aoi aon aoo aor aos aot aou aox ar- ara arb arg ari arn aro arr ars art aru arx as- asa asb asg asi asn aso asr ass ast asu asx at- ata atb atg ati atn ato atr ats att atu atx au- aua aub aug aui aun auo aur aus aut aux ax- axa axi axn axo axr axs axt axx b-u baa bab bag bai ban bao bar bas bat bau bax bba bbb bbg bbi bbn bbo bbr bbs bbt bbu bbx bga bgb bgg bgi bgn bgo bgr bgs bgt bgu bgx bi- bia bib big bii bin bio bir bis bit biu bix bna bnb bng bni bnn bno bnr bns bnt bnu bnx boa bob bog boi bon boo bor bos bot bou box bra brb brg bri brn bro brr brs brt bru brx bsa bsb bsg bsi bsn bso bsr bss bst bsu bsx bta btb btg bti btn bto btr bts btt btu btx bua bub bug bui bun buo bur bus but buu bux bxb bxi bxn bxo bxx gaa gab gag gai gan gao gar gas gat gau gba gbg gbi gbn gbo gbr gbs gbt gbu gbx gga ggb ggg ggi ggn ggo ggr ggs ggt ggu gia gib gig gii gin gio gir gis git giu gna gnb gni gnn gno gnr gns gnt gnu goa gob gog goi gon goo gor gos got gou gox gra grb grg gri grn gro grr grs grt gru grx gsa gsb gsg gsi gsn gso gsr gss gst gsu gsx gta gtb gtg gti gtn gto gtr gts gtt gtu gtx gu- gua gub gug gui gun guo gur gus gut guu gxa gxs gxt ia- iaa iab iag iai ian iao iar ias iat iau iba ibb ibg ibi ibn ibo ibr ibs ibt ibu ibx iga igb igg igi ign igo igr igs igt igu iia iib iii iin iio iir iis iit iiu iix in- ina inb ing ini inn ino inr ins int inu inx io- ioa iob iog ioi ion ioo ior ios iot iou ir- ira irb irg iri irn iro irr irs irt iru irx is- isa isb isg isi isn iso isr iss ist isu ita itb itg iti itn ito its itt itu itx iu- iua iub iug iui iur ius iut ixi ixn n-i naa nab nag nai nan nao nar nas nat nau nax nba nbb nbg nbi nbn nbo nbr nbs nbt nbu nbx nga ngb ngg ngi ngn ngo ngs ngt ngu nia nib nig nii nin nio nir nis nit niu nix nna nnb nng nni nnn nno nns nnt nnu no- noa nob nog noi non noo nor nos not nou nox nra nrb nrg nri nrn nro nrr nrs nrt nru nrx nsa nsb nsg nsi nsn nso nsr nss nst nsu nsx nta ntb ntg nti ntn nto ntr nts ntt ntu ntx nua nub nug nui nun nuo nur nus nut nuu nux nxt o-i oaa oab oag oai oan oao oar oas oat oau oax ob- oba obb obg obi obn obo obr obs obt obu obx oga ogg ogi ogn ogo ogs ogt ogx oia oib oii oin oio oir ois oit oiu on- ona onb ong oni onn ono onr ons ont onu onx oo- ooa oob oog ooi oon ooo oor oos oot oox or- ora orb org ori orn oro orr ors ort oru orx os- osa osb osg osi osn oso osr oss ost osu osx ot- ota otb otg oti otn oto otr ots ott otu ou- oua oui oun ouo our ous out ox- oxa oxb oxi oxn oxo oxt oxx ra- raa rab rag rai ran rao rar ras rat rau rax rba rbb rbg rbi rbn rbo rbr rbs rbt rbu rbx rga rgb rgg rgi rgn rgo rgr rgs rgt rgx ria rib rig rii rin rio rir ris rit rix rna rnb rng rni rnn rno rnr rns rnt rnu roa rob rog roi ron roo ror ros rot rou rox rra rrb rrg rri rrn rrr rrs rrt rru rsa rsb rsg rsi rsn rso rsr rss rst rsu rsx rta rtb rtg rti rtn rto rtr rts rtt rtu rtx rua rub rug rui run ruo rur rus rut ruu rux rxr rxs saa sab sag sai san sao sar sas sat sau sax sba sbb sbg sbi sbn sbo sbr sbs sbt sbu sbx sga sgb sgg sgi sgn sgo sgr sgs sgt sgu sgx sia sib sig sii sin sio sir sis sit siu six sna snb sng sni snn sno snr sns snt snu soa sob sog soi son soo sor sos sot sou sox sr- sra srb srg sri srn sro srr srs srt srx ss- ssa ssb ssg ssi ssn sso ssr sss sst ssu ssx sta stb stg sti stn sto str sts stt stu stx sua sub sug sui sun suo sur sus sut suu sux sxi sxn sxs sxt sxu t-x taa tab tag tai tan tao tar tas tat tau tax tba tbb tbg tbi tbn tbo tbr tbs tbt tbu tga tgb tgg tgi tgn tgo tgr tgs tgt tgu tia tib tig tii tin tio tir tis tit tiu tix tna tnb tng tni tnn tno tnr tns tnt tnx to- toa tob tog toi ton too tor tos tot tou tox tra trb trg tri trn tro trr trs trt tru trx tsa tsb tsg tsi tsn tso tsr tss tst tsu tsx tta ttb ttg tti