a-a a-b a-i aaa aab aad aag aai aak aan aao aar ab- aba abb abd abg abi abk abn abo abr ad- ada adb add adg adi adk adn ado adr ag- aga agb agd agg agi agk agn ago agr ai- aia aib aid aig aii aik ain aio air aka akb akd akg aki akk akn ako akr an- ana anb and ang ani ank ann ano anr aoa aob aod aog aoi aok aon aoo aor ar- ara arb ard arg ari ark arn aro arr baa bab bad bag bai bak ban bao bar bba bbb bbd bbg bbi bbk bbn bbo bbr bda bdb bdd bdg bdi bdk bdo bdr bga bgb bgd bgg bgi bgk bgn bgo bgr bi- bia bib bid big bii bik bin bio bir bka bkb bkg bkk bkn bko bkr bna bnb bnd bng bni bnk bnn bno bnr boa bob bod bog boi bok bon boo bor bra brb brd brg bri brk brn bro brr daa dab dad dag dai dak dan dao dar dba dbb dbd dbg dbi dbk dbn dbo dbr dda ddb ddd ddg ddi ddk ddn ddo ddr dga dgd dgg dgi dgk dgn dgr di- dia dib did dig dii dik din dio dir dka dkb dkg dki dkk dko dkr dna dnb dnd dng dni dnk dnn dno dnr doa dob dod dog doi dok don doo dor dra drb drd drg dri drk drn dro drr g-d gaa gab gad gag gai gak gan gao gar gba gbd gbg gbi gbk gbn gbo gbr gda gdb gdd gdi gdk gdn gdo gdr gga ggb ggd ggg ggi ggn ggo ggr gia gib gid gig gii gik gin gio gir gka gkb gkd gkn gko gna gnb gnd gni gnn gno gnr goa gob god gog goi gok gon goo gor gra grb grd grg gri grk grn gro grr i-d ia- iaa iab iad iag iai ian iao iar iba ibb ibd ibg ibi ibk ibn ibo ibr ida idb idd idg idi idk idn ido idr iga igb igd igg igi igk ign igo igr iia iib iid iii iin iio iir ika ikb iki ikk iko ikr in- ina inb ind ing ini ink inn ino inr io- ioa iob iod iog ioi ion ioo ior ir- ira irb ird irg iri irk irn iro irr ka- kaa kab kad kag kai kak kan kao kar kba kbb kbd kbi kbk kbn kbo kbr kda kdb kdg kdk kdo kdr kga kgb kgd kgi kgo kia kib kid kig kii kik kin kio kir kkb kki kkk kkn kkr kn- kna knd kng kni knk knn kno knr koa kob kod kog koi kok kon koo kor kra krd krg kri krk krn kro krr n-i naa nab nad nag nai nak nan nao nar nba nbb nbd nbg nbi nbk nbn nbo nbr nda ndb ndd ndg ndi ndk ndn ndo ndr nga ngb ngd ngg ngi ngk ngn ngo nia nib nid nig nii nik nin nio nir nka nki nkk nkn nko nkr nna nnb nng nni nnk nnn nno no- noa nob nod nog noi nok non noo nor nra nrb nrd nrg nri nrk nrn nro nrr o-i oaa oab oad oag oai oak oan oao oar ob- oba obb obd obg obi obk obn obo obr oda odb odd odg odi odn odo odr oga ogd ogg ogi ogn ogo oia oib oid oii oik oin oio oir oka okb okd okg oki okk oko okr on- ona onb ond ong oni onk onn ono onr oo- ooa oob ood oog ooi ook oon ooo oor or- ora orb ord org ori ork orn oro orr ra- raa rab rad rag rai rak ran rao rar rba rbb rbd rbg rbi rbk rbn rbo rbr rda rdb rdd rdg rdi rdn rdo rdr rga rgb rgd rgg rgi rgk rgn rgo rgr ria rib rid rig rii rik rin rio rir rkb rkg rkk rko rna rnb rnd rng rni rnn rno rnr roa rob rod rog roi rok ron roo ror rra rrb rrd rrg rri rrk rrn rrr