a-a a-b a-i a-t aaa aab aag aai aan aao aar aas aat aau aav ab- aba abb abg abi abn abo abr abs abt abu abv ag- aga agb agg agi agn ago agr ags agt agu agv ai- aia aib aig aii ain aio air ais ait aiu aiv an- ana anb ang ani ann ano anr ans ant anu anv aoa aob aog aoi aon aoo aor aos aot aou aov ar- ara arb arg ari arn aro arr ars art aru arv as- asa asb asg asi asn aso asr ass ast asu asv at- ata atb atg ati atn ato atr ats att atu atv au- aua aub aug aui aun auo aur aus aut auv av- ava avb avg avi avn avo avr avs avt avu b-u baa bab bag bai ban bao bar bas bat bau bav bba bbb bbg bbi bbn bbo bbr bbs bbt bbu bga bgb bgg bgi bgn bgo bgr bgs bgt bgu bgv bi- bia bib big bii bin bio bir bis bit biu biv bna bnb bng bni bnn bno bnr bns bnt bnu bnv boa bob bog boi bon boo bor bos bot bou bov bra brb brg bri brn bro brr brs brt bru brv bsa bsb bsg bsi bsn bso bsr bss bst bsu bsv bta btb btg bti btn bto btr bts btt btu btv bua bub bug bui bun buo bur bus but buu bva bvb bvg bvi bvn bvo bvr bvs bvt bvu bvv gaa gab gag gai gan gao gar gas gat gau gav gba gbg gbi gbn gbo gbr gbs gbt gbu gbv gga ggb ggg ggi ggn ggo ggr ggs ggt ggu ggv gia gib gig gii gin gio gir gis git giu giv gna gnb gni gnn gno gnr gns gnt gnu gnv goa gob gog goi gon goo gor gos got gou gov gra grb grg gri grn gro grr grs grt gru grv gsa gsb gsg gsi gsn gso gsr gss gst gsu gsv gta gtb gtg gti gtn gto gtr gts gtt gtu gtv gu- gua gub gug gui gun guo gur gus gut guu guv gva gvb gvg gvi gvn gvo gvr gvs gvt gvu i-v ia- iaa iab iag iai ian iao iar ias iat iau iav iba ibb ibg ibi ibn ibo ibr ibs ibt ibu ibv iga igb igg igi ign igo igr igs igt igu iia iib iii iin iio iir iis iit iiu in- ina inb ing ini inn ino inr ins int inu inv io- ioa iob iog ioi ion ioo ior ios iot iou iov ir- ira irb irg iri irn iro irr irs irt iru irv is- isa isb isg isi isn iso isr iss ist isu isv ita itb itg iti itn ito its itt itu itv iu- iua iub iug iui iur ius iut iva ivb ivg ivi ivo ivr ivs ivt ivu ivv n-i naa nab nag nai nan nao nar nas nat nau nav nba nbb nbg nbi nbn nbo nbr nbs nbt nbu nbv nga ngb ngg ngi ngn ngo ngs ngt ngu nia nib nig nii nin nio nir nis nit niu niv nna nnb nng nni nnn nno nns nnt nnu nnv no- noa nob nog noi non noo nor nos not nou nov nra nrb nrg nri nrn nro nrr nrs nrt nru nrv nsa nsb nsg nsi nsn nso nsr nss nst nsu nsv nta ntb ntg nti ntn nto ntr nts ntt ntu ntv nua nub nug nui nun nuo nur nus nut nuu nuv nva nvb nvg nvi nvn nvt nvu nvv o-i oaa oab oag oai oan oao oar oas oat oau oav ob- oba obb obg obi obn obo obr obs obt obu obv oga ogg ogi ogn ogo ogs ogt oia oib oii oin oio oir ois oit oiu oiv on- ona onb ong oni onn ono onr ons ont onu oo- ooa oob oog ooi oon ooo oor oos oot oov or- ora orb org ori orn oro orr ors ort oru orv os- osa osb osg osi osn oso osr oss ost osu osv ot- ota otb otg oti otn oto otr ots ott otu otv ou- oua oui oun ouo our ous out ov- ova ovb ovi ovo ovs ovv ra- raa rab rag rai ran rao rar ras rat rau rav rba rbb rbg rbi rbn rbo rbr rbs rbt rbu rga rgb rgg rgi rgn rgo rgr rgs rgt rgv ria rib rig rii rin rio rir ris rit riv rna rnb rng rni rnn rno rnr rns rnt rnu rnv roa rob rog roi ron roo ror ros rot rou rov rra rrb rrg rri rrn rrr rrs rrt rru rsa rsb rsg rsi rsn rso rsr rss rst rsu rsv rta rtb rtg rti rtn rto rtr rts rtt rtu rtv rua rub rug rui run ruo rur rus rut ruu ruv rva rvb rvg rvi rvn rvo rvr rvs rvt rvu rvv saa sab sag sai san sao sar sas sat sau sav sba sbb sbg sbi sbn sbo sbr sbs sbt sbu sbv sga sgb sgg sgi sgn sgo sgr sgs sgt sgu sgv sia sib sig sii sin sio sir sis sit siu siv sna snb sng sni snn sno snr sns snt snu snv soa sob sog soi son soo sor sos sot sou sov sr- sra srb srg sri srn sro srr srs srt srv ss- ssa ssb ssg ssi ssn sso ssr sss sst ssu ssv sta stb stg sti stn sto str sts stt stu stv sua sub sug sui sun suo sur sus sut suu suv sva svb svg svi svn svo svr svs svt svu svv taa tab tag tai tan tao tar tas tat tau tav tba tbb tbg tbi tbn tbo tbr tbs tbt tbu tbv tga tgb tgg tgi tgn tgo tgr tgs tgt tgu tgv tia tib tig tii tin tio