a-a a-b a-i aaa aab aad aaf aai aan aao aar aas ab- aba abb abd abf abi abn abo abr abs ad- ada adb add adf adi adn ado adr ads af- afa afb afd aff afi afn afo afr afs ai- aia aib aid aif aii ain aio air ais an- ana anb and anf ani ann ano anr ans aoa aob aod aof aoi aon aoo aor aos ar- ara arb ard arf ari arn aro arr ars as- asa asb asd asf asi asn aso asr ass baa bab bad baf bai ban bao bar bas bba bbb bbd bbf bbi bbn bbo bbr bbs bda bdb bdd bdf bdi bdo bdr bds bfa bfb bfd bff bfi bfn bfo bfr bfs bi- bia bib bid bif bii bin bio bir bis bna bnb bnd bnf bni bnn bno bnr bns boa bob bod bof boi bon boo bor bos bra brb brd brf bri brn bro brr brs bsa bsb bsd bsf bsi bsn bso bsr bss daa dab dad daf dai dan dao dar das dba dbb dbd dbf dbi dbn dbo dbr dbs dda ddb ddd ddf ddi ddn ddo ddr dds dfa dfb dfd dff dfi dfn dfo dfr dfs di- dia dib did dif dii din dio dir dis dna dnb dnd dnf dni dnn dno dnr dns doa dob dod dof doi don doo dor dos dra drb drd dri drn dro drr drs dsa dsb dsd dsf dsi dsn dso dsr dss faa fab fad faf fai fan fao far fas fba fbb fbd fbf fbi fbn fbo fbr fbs fda fdb fdd fdf fdi fdn fdo fdr fds ffa ffd fff ffi ffn ffo ffr ffs fia fib fid fif fii fin fir fis fna fnb fnd fnf fni fnn fnr fns foa fob fof foi fon foo for fos fra frb frd frf fri frn fro frr frs fsa fsb fsd fsf fsi fsn fso fsr fss i-d i-f ia- iaa iab iad iaf iai ian iao iar ias iba ibb ibd ibf ibi ibn ibo ibr ibs ida idb idd idf idi idn ido idr ids ifa ifb ifd iff ifi ifn ifo ifr ifs iia iib iid iif iii iin iio iir iis in- ina inb ind inf ini inn ino inr ins io- ioa iob iod iof ioi ion ioo ior ios ir- ira irb ird irf iri irn iro irr irs is- isa isb isd isf isi isn iso isr iss n-i naa nab nad naf nai nan nao nar nas nba nbb nbd nbf nbi nbn nbo nbr nbs nda ndb ndd ndf ndi ndn ndo ndr nds nfa nfb nfd nff nfi nfn nfo nfr nfs nia nib nid nif nii nin nio nir nis nna nnb nnf nni nnn nno nns no- noa nob nod nof noi non noo nor nos nra nrb nrd nrf nri nrn nro nrr nrs nsa nsb nsd nsf nsi nsn nso nsr nss o-i oaa oab oad oaf oai oan oao oar oas ob- oba obb obd obf obi obn obo obr obs oda odb odd odf odi odn odo odr ods of- ofa ofb ofd off ofi ofn ofo ofr ofs oia oib oid oif oii oin oio oir ois on- ona onb ond onf oni onn ono onr ons oo- ooa oob ood oof ooi oon ooo oor oos or- ora orb ord orf ori orn oro orr ors os- osa osb osd osf osi osn oso osr oss ra- raa rab rad raf rai ran rao rar ras rba rbb rbd rbf rbi rbn rbo rbr rbs rda rdb rdd rdf rdi rdn rdo rdr rds rfa rfb rfd rff rfi rfn rfo rfr rfs ria rib rid rif rii rin rio rir ris rna rnb rnd rni rnn rno rnr rns roa rob rod rof roi ron roo ror ros rra rrb rrd rrf rri rrn rrr rrs rsa rsb rsd rsf rsi rsn rso rsr rss saa sab sad saf sai san sao sar sas sba sbb sbd sbf sbi sbn sbo sbr sbs sda sdb sdd sdf sdi sdn sdo sdr sds sfa sfb sfd sff sfi sfn sfo sfr sfs sia sib sid sif sii sin sio sir sis sna snb snd snf sni snn sno snr sns soa sob sod sof soi son soo sor sos sr- sra srb srd srf sri srn sro srr srs ss- ssa ssb ssd ssf ssi ssn sso ssr sss

-ana a-do a-ii aaaa aaab aaad aaaf aaai aaan aaar aaas aaba aabb aabd aabi aada aadi aads aafa aafb aafd aaff aafi aaib aaii aain aais aana aand aani aaon aaoo aara aard aari aaro aars aasa aasd aasf aasi aass abaa abab abad abaf abai aban abar abas abb- abba abbb abbi abbo abbr abbs abda abdi abdo abff abia abib abid abin abir abis aboa abob abod abof abon aboo abor abos abra abri abro abrs abs- absa absd absf absi abss adaa adab adad adai adan adao adar adas adba adbi adda addd addi addn addo addr adds adfa adfs adia adib adif adin adio adir adis adna adni adns adob adod adon adoo ador ados adra adro adrs adsa adsi adso adsr adss afaa afad afan afao afar afbs afdb affa affi affo affs afia afib afid afif afin afir afis afoa afoo afor afr- afra afri afro afrs afsa afsb aiai aian aias aiba aibn aibo aida aidb aidi aidr aids aifd aiff aifs aiia aiib aiid aiin aiir aina aind aini aino ains aioi aion aira aird airi airo airs aisa aisb aisd aisi aiso aisr ana- anaa anab anad anai anan anao anar anas anba anbb anbi anbo and- anda andi ando andr ands anfa anfo ania anib anif anin anio anir anis anna annb anni anno anns ano- anoa anod anon anor anos anri ansa ansd ansf ansi anso aoba aonb aono aora aorb aorn aors aosd aoss arab arad araf