a-a a-b a-i aaa aab aad aag aai aan aar aau ab- aba abb abd abg abi abn abr abu ad- ada adb add adg adi adn adr adu ag- aga agb agd agg agi agn agr agu ai- aia aib aid aig aii ain air aiu an- ana anb and ang ani ann anr anu ar- ara arb ard arg ari arn arr aru au- aua aub aud aug aui aun aur b-u baa bab bad bag bai ban bar bau bba bbb bbd bbg bbi bbn bbr bbu bda bdb bdd bdg bdi bdr bdu bga bgb bgd bgg bgi bgn bgr bgu bi- bia bib bid big bii bin bir biu bna bnb bnd bng bni bnn bnr bnu bra brb brd brg bri brn brr bru bua bub bud bug bui bun bur buu daa dab dad dag dai dan dar dau dba dbb dbd dbg dbi dbn dbr dbu dda ddb ddd ddg ddi ddn ddr ddu dga dgd dgg dgi dgn dgr dgu di- dia dib did dig dii din dir diu dna dnb dnd dng dni dnn dnr dra drb drd drg dri drn drr dru dua dub dud dug dui dun dur g-d gaa gab gad gag gai gan gar gau gba gbd gbg gbi gbn gbr gbu gda gdb gdd gdi gdn gdr gdu gga ggb ggd ggg ggi ggn ggr ggu gia gib gid gig gii gin gir giu gna gnb gnd gni gnn gnr gnu gra grb grd grg gri grn grr gru gu- gua gub gud gug gui gun gur guu i-d ia- iaa iab iad iag iai ian iar iau iba ibb ibd ibg ibi ibn ibr ibu ida idb idd idg idi idn idr idu iga igb igd igg igi ign igr igu iia iib iid iii iin iir iiu in- ina inb ind ing ini inn inr inu ir- ira irb ird irg iri irn irr iru iu- iua iub iud iug iui iur n-i naa nab nad nag nai nan nar nau nba nbb nbd nbg nbi nbn nbr nbu nda ndb ndd ndg ndi ndn ndr ndu nga ngb ngd ngg ngi ngn ngu nia nib nid nig nii nin nir niu nna nnb nng nni nnn nnu nra nrb nrd nrg nri nrn nrr nru nua nub nud nug nui nun nur nuu ra- raa rab rad rag rai ran rar rau rba rbb rbd rbg rbi rbn rbr rbu rda rdb rdd rdg rdi rdn rdr rdu rga rgb rgd rgg rgi rgn rgr ria rib rid rig rii rin rir rna rnb rnd rng rni rnn rnr rnu rra rrb rrd rrg rri rrn rrr rru rua rub rud rug rui run rur ruu ua- uaa uab uad uag uai uan uar uau uba ubb ubg ubi ubn ubr ubu uda udb udd udg udi udn udr udu uga ugb ugg ugi ugn ugr ugu uia uib uid uig uii uin uir uiu un- una unb und ung uni unn unr unu ur- ura urb urd urg uri urn urr uru uua uug uun uur uuu