a-a a-b a-i aaa aab aad aaf aai aam aan aao aar aau ab- aba abb abd abf abi abm abn abo abr abu ad- ada adb add adf adi adm adn ado adr adu af- afa afb afd aff afi afm afn afo afr afu ai- aia aib aid aif aii aim ain aio air aiu ama amb amd amf ami amm amn amo amr amu an- ana anb and anf ani anm ann ano anr anu aoa aob aod aof aoi aom aon aoo aor aou ar- ara arb ard arf ari arm arn aro arr aru au- aua aub aud auf aui aum aun auo aur b-u baa bab bad baf bai bam ban bao bar bau bba bbb bbd bbf bbi bbm bbn bbo bbr bbu bda bdb bdd bdf bdi bdm bdo bdr bdu bfa bfb bfd bff bfi bfm bfn bfo bfr bfu bi- bia bib bid bif bii bim bin bio bir biu bma bmb bmd bmf bmi bmm bmn bmo bmr bmu bna bnb bnd bnf bni bnn bno bnr bnu boa bob bod bof boi bom bon boo bor bou bra brb brd brf bri brm brn bro brr bru bua bub bud buf bui bum bun buo bur buu daa dab dad daf dai dam dan dao dar dau dba dbb dbd dbf dbi dbm dbn dbo dbr dbu dda ddb ddd ddf ddi ddm ddn ddo ddr ddu dfa dfb dfd dff dfi dfm dfn dfo dfr dfu di- dia dib did dif dii dim din dio dir diu dma dmb dmd dmf dmi dmm dmn dmo dmr dmu dna dnb dnd dnf dni dnm dnn dno dnr doa dob dod dof doi dom don doo dor dou dra drb drd dri drm drn dro drr dru dua dub dud duf dui dum dun duo dur faa fab fad faf fai fam fan fao far fau fba fbb fbd fbf fbi fbm fbn fbo fbr fbu fda fdb fdd fdf fdi fdm fdn fdo fdr fdu ffa ffd fff ffi ffm ffn ffo ffr ffu fia fib fid fif fii fim fin fir fiu fma fmb fmd fmf fmi fmm fmn fmo fmr fmu fna fnb fnd fnf fni fnm fnn fnr fnu foa fob fof foi fom fon foo for fou fra frb frd frf fri frm frn fro frr fru fua fub fud fuf fui fum fun fuo fur fuu i-d i-f ia- iaa iab iad iaf iai iam ian iao iar iau iba ibb ibd ibf ibi ibm ibn ibo ibr ibu ida idb idd idf idi idm idn ido idr idu ifa ifb ifd iff ifi ifm ifn ifo ifr ifu iia iib iid iif iii iim iin iio iir iiu im- ima imb imd imf imi imm imn imo imu in- ina inb ind inf ini inm inn ino inr inu io- ioa iob iod iof ioi iom ion ioo ior iou ir- ira irb ird irf iri irm irn iro irr iru iu- iua iub iud iui ium iur m-f m-o m-r maa mab mad maf mai mam man mao mar mau mba mbb mbd mbf mbi mbm mbo mbr mbu mda mdb mdd mdf mdi mdm mdn mdo mdr mdu mfa mfb mfd mff mfi mfm mfn mfo mfr mfu mi- mia mib mid mif mii mim min mio mir miu mma mmb mmd mmf mmi mmm mmn mmo mmr mmu mna mnb mnf mni mnm mnn mno mnr mnu moa mob mod mof moi mom mon moo mor mou mra mrb mrd mrf mri mrm mrn mro mrr mru mua mub mud muf mui mum mun mur muu n-i naa nab nad naf nai nam nan nao nar nau nba nbb nbd nbf nbi nbm nbn nbo nbr nbu nda ndb ndd ndf ndi ndm ndn ndo ndr ndu nfa nfb nfd nff nfi nfn nfo nfr nfu nia nib nid nif nii nim nin nio nir niu nma nmb nmd nmi nmm nmn nmo nmr nmu nna nnb nnf nni nnm nnn nno nnu no- noa nob nod nof noi nom non noo nor nou nra nrb nrd nrf nri nrm nrn nro nrr nru nua nub nud nui num nun nuo nur nuu o-i oaa oab oad oaf oai oam oan oao oar oau ob- oba obb obd obf obi obm obn obo obr obu oda odb odd odf odi odm odn odo odr odu of- ofa ofb ofd off ofi ofm ofn ofo ofr ofu oia oib oid oif oii oim oin oio oir oiu om- oma omb omd omf omi omm omn omo omr omu on- ona onb ond onf oni onn ono onr onu oo- ooa oob ood oof ooi oom oon ooo oor or- ora orb ord orf ori orm orn oro orr oru ou- oua oud ouf oui oum oun ouo our ra- raa rab rad raf rai ram ran rao rar rau rba rbb rbd rbf rbi rbm rbn rbo rbr rbu rda rdb rdd rdf rdi rdm rdn rdo rdr rdu rfa rfb rfd rff rfi rfm rfn rfo rfr rfu ria rib rid rif rii rim rin rio rir rma rmb rmd rmf rmi rmm rmn rmo rmr rna rnb rnd rni rnm rnn rno rnr rnu roa rob rod rof roi rom ron roo ror rou rra rrb rrd rrf rri rrm rrn rrr rru rua rub rud ruf rui rum run ruo rur ruu ua- uaa uab uad uaf uai uam uan uao uar uau uba ubb ubf ubi ubn ubo ubr ubu uda udb udd udf udi udm udn udo udr udu ufa ufd uff ufi ufm ufn ufo ufr ufu uia uib uid uif uii uim uin uio uir uiu um- uma umb umd umf umi umm umn umo umr umu un- una unb und unf uni unm unn uno unr unu uoa uob uod uom uon uoo uor ur- ura urb urd urf uri urm urn uro urr uru uua uum uun uur uuu