a-a a-b a-i a-t aaa aab aaf aai aan aao aar aas aat aau aaw ab- aba abb abf abi abn abo abr abs abt abu abw af- afa afb aff afi afn afo afr afs aft afu afw ai- aia aib aif aii ain aio air ais ait aiu aiw an- ana anb anf ani ann ano anr ans ant anu aoa aob aof aoi aon aoo aor aos aot aou aow ar- ara arb arf ari arn aro arr ars art aru arw as- asa asb asf asi asn aso asr ass ast asu asw at- ata atb atf ati atn ato atr ats att atu atw au- aua aub auf aui aun auo aur aus aut auw aw- awa awb awf awi awn awo awr aws awt awu aww b-u baa bab baf bai ban bao bar bas bat bau baw bba bbb bbf bbi bbn bbo bbr bbs bbt bbu bbw bfa bfb bff bfi bfn bfo bfr bfs bft bfu bi- bia bib bif bii bin bio bir bis bit biu biw bna bnb bnf bni bnn bno bnr bns bnt bnu bnw boa bob bof boi bon boo bor bos bot bou bow bra brb brf bri brn bro brr brs brt bru brw bsa bsb bsf bsi bsn bso bsr bss bst bsu bsw bta btb btf bti btn bto btr bts btt btu btw bua bub buf bui bun buo bur bus but buu buw bwa bwb bwf bwi bwo bwr bws bwu faa fab faf fai fan fao far fas fat fau faw fba fbb fbf fbi fbn fbo fbr fbs fbt fbu fbw ffa fff ffi ffn ffo ffr ffs fft ffu ffw fia fib fif fii fin fir fis fit fiu fna fnb fnf fni fnn fnr fns fnt fnu fnw foa fob fof foi fon foo for fos fot fou fow fra frb frf fri frn fro frr frs frt fru frw fsa fsb fsf fsi fsn fso fsr fss fst fsu fsw fta ftb ftf fti ftn fto ftr fts ftt ftu ftw fua fub fuf fui fun fuo fur fus fut fuu fwa fwb fwf fwi fwn fwo fws fwt i-f ia- iaa iab iaf iai ian iao iar ias iat iau iaw iba ibb ibf ibi ibn ibo ibr ibs ibt ibu ibw ifa ifb iff ifi ifn ifo ifr ifs ift ifu iia iib iif iii iin iio iir iis iit iiu iiw in- ina inb inf ini inn ino inr ins int inu io- ioa iob iof ioi ion ioo ior ios iot iou iow ir- ira irb irf iri irn iro irr irs irt iru is- isa isb isf isi isn iso isr iss ist isu isw ita itb itf iti itn ito its itt itu iu- iua iub iui iur ius iut iwa iwb iwf iwi iwo iwr iws iwt iwu iww n-i naa nab naf nai nan nao nar nas nat nau naw nba nbb nbf nbi nbn nbo nbr nbs nbt nbu nbw nfa nfb nff nfi nfn nfo nfr nfs nft nfu nia nib nif nii nin nio nir nis nit niu nna nnb nnf nni nnn nno nns nnt nnu nnw no- noa nob nof noi non noo nor nos not nou now nra nrb nrf nri nrn nro nrr nrs nrt nru nrw nsa nsb nsf nsi nsn nso nsr nss nst nsu nsw nta ntb ntf nti ntn nto ntr nts ntt ntu nua nub nui nun nuo nur nus nut nuu nwa nwb nwf nwi nwn nwo nwr nws nwt nwu o-i oaa oab oaf oai oan oao oar oas oat oau oaw ob- oba obb obf obi obn obo obr obs obt obu obw of- ofa ofb off ofi ofn ofo ofr ofs oft ofu ofw oia oib oif oii oin oio oir ois oit oiu on- ona onb onf oni onn ono onr ons ont onu oo- ooa oob oof ooi oon ooo oor oos oot oow or- ora orb orf ori orn oro orr ors ort oru os- osa osb osf osi osn oso osr oss ost osu osw ot- ota otb otf oti otn oto otr ots ott otu otw ou- oua ouf oui oun ouo our ous out owa owb owf owi own owo ows owt owu oww ra- raa rab raf rai ran rao rar ras rat rau raw rba rbb rbf rbi rbn rbo rbr rbs rbt rbu rbw rfa rfb rff rfi rfn rfo rfr rfs rft rfu rfw ria rib rif rii rin rio rir ris rit rna rnb rni rnn rno rnr rns rnt rnu rnw roa rob rof roi ron roo ror ros rot rou row rra rrb rrf rri rrn rrr rrs rrt rru rsa rsb rsf rsi rsn rso rsr rss rst rsu rsw rta rtb rtf rti rtn rto rtr rts rtt rtu rtw rua rub ruf rui run ruo rur rus rut ruu rwa rwb rwf rwi rwr rws rwu saa sab saf sai san sao sar sas sat sau saw sba sbb sbf sbi sbn sbo sbr sbs sbt sbu sbw sfa sfb sff sfi sfn sfo sfr sfs sft sfu sfw sia sib sif sii sin sio sir sis sit siu siw sna snb snf sni snn sno snr sns snt snu snw soa sob sof soi son soo sor sos sot sou sow sr- sra srb srf sri srn sro srr srs srt srw ss- ssa ssb ssf ssi ssn sso ssr sss sst ssu ssw sta stb stf sti stn sto str sts stt stu stw sua sub suf sui sun suo sur sus sut suu suw swa swb swf swi swn swo swr sws swt swu taa tab taf tai tan tao tar tas tat tau taw tba tbb tbf tbi tbn tbo tbr tbs tbt tbu tfa tfb tff tfi tfn tfo tfr tfs tft tfu tfw tia tib tif tii tin tio tir tis tit tiu tiw tna tnb tnf tni tnn