a-a a-b a-i aaa aab aad aag aai aan aar ab- aba abb abd abg abi abn abr ad- ada adb add adg adi adn adr ag- aga agb agd agg agi agn agr ai- aia aib aid aig aii ain air an- ana anb and ang ani ann anr ar- ara arb ard arg ari arn arr baa bab bad bag bai ban bar bba bbb bbd bbg bbi bbn bbr bda bdb bdd bdg bdi bdr bga bgb bgd bgg bgi bgn bgr bi- bia bib bid big bii bin bir bna bnb bnd bng bni bnn bnr bra brb brd brg bri brn brr daa dab dad dag dai dan dar dba dbb dbd dbg dbi dbn dbr dda ddb ddd ddg ddi ddn ddr dga dgd dgg dgi dgn dgr di- dia dib did dig dii din dir dna dnb dnd dng dni dnn dnr dra drb drd drg dri drn drr g-d gaa gab gad gag gai gan gar gba gbd gbg gbi gbn gbr gda gdb gdd gdi gdn gdr gga ggb ggd ggg ggi ggn ggr gia gib gid gig gii gin gir gna gnb gnd gni gnn gnr gra grb grd grg gri grn grr i-d ia- iaa iab iad iag iai ian iar iba ibb ibd ibg ibi ibn ibr ida idb idd idg idi idn idr iga igb igd igg igi ign igr iia iib iid iii iin iir in- ina inb ind ing ini inn inr ir- ira irb ird irg iri irn irr n-i naa nab nad nag nai nan nar nba nbb nbd nbg nbi nbn nbr nda ndb ndd ndg ndi ndn ndr nga ngb ngd ngg ngi ngn nia nib nid nig nii nin nir nna nnb nng nni nnn nra nrb nrd nrg nri nrn nrr ra- raa rab rad rag rai ran rar rba rbb rbd rbg rbi rbn rbr rda rdb rdd rdg rdi rdn rdr rga rgb rgd rgg rgi rgn rgr ria rib rid rig rii rin rir rna rnb rnd rng rni rnn rnr rra rrb rrd rrg rri rrn rrr