a-a a-b a-i a-t aaa aab aad aag aai aan aao aar aat ab- aba abb abd abg abi abn abo abr abt ad- ada adb add adg adi adn ado adr adt ag- aga agb agd agg agi agn ago agr agt ai- aia aib aid aig aii ain aio air ait an- ana anb and ang ani ann ano anr ant aoa aob aod aog aoi aon aoo aor aot ar- ara arb ard arg ari arn aro arr art at- ata atb atd atg ati atn ato atr att baa bab bad bag bai ban bao bar bat bba bbb bbd bbg bbi bbn bbo bbr bbt bda bdb bdd bdg bdi bdo bdr bdt bga bgb bgd bgg bgi bgn bgo bgr bgt bi- bia bib bid big bii bin bio bir bit bna bnb bnd bng bni bnn bno bnr bnt boa bob bod bog boi bon boo bor bot bra brb brd brg bri brn bro brr brt bta btb btd btg bti btn bto btr btt daa dab dad dag dai dan dao dar dat dba dbb dbd dbg dbi dbn dbo dbr dbt dda ddb ddd ddg ddi ddn ddo ddr ddt dga dgd dgg dgi dgn dgr dgt di- dia dib did dig dii din dio dir dit dna dnb dnd dng dni dnn dno dnr dnt doa dob dod dog doi don doo dor dot dra drb drd drg dri drn dro drr drt dta dtb dtd dtg dti dtn dto dtr dtt g-d gaa gab gad gag gai gan gao gar gat gba gbd gbg gbi gbn gbo gbr gbt gda gdb gdd gdi gdn gdo gdr gdt gga ggb ggd ggg ggi ggn ggo ggr ggt gia gib gid gig gii gin gio gir git gna gnb gnd gni gnn gno gnr gnt goa gob god gog goi gon goo gor got gra grb grd grg gri grn gro grr grt gta gtb gtd gtg gti gtn gto gtr gtt i-d ia- iaa iab iad iag iai ian iao iar iat iba ibb ibd ibg ibi ibn ibo ibr ibt ida idb idd idg idi idn ido idr idt iga igb igd igg igi ign igo igr igt iia iib iid iii iin iio iir iit in- ina inb ind ing ini inn ino inr int io- ioa iob iod iog ioi ion ioo ior iot ir- ira irb ird irg iri irn iro irr irt ita itb itd itg iti itn ito itt n-i naa nab nad nag nai nan nao nar nat nba nbb nbd nbg nbi nbn nbo nbr nbt nda ndb ndd ndg ndi ndn ndo ndr ndt nga ngb ngd ngg ngi ngn ngo ngt nia nib nid nig nii nin nio nir nit nna nnb nng nni nnn nno nnt no- noa nob nod nog noi non noo nor not nra nrb nrd nrg nri nrn nro nrr nrt nta ntb ntd ntg nti ntn nto ntr ntt o-i oaa oab oad oag oai oan oao oar oat ob- oba obb obd obg obi obn obo obr obt oda odb odd odg odi odn odo odr odt oga ogd ogg ogi ogn ogo ogt oia oib oid oii oin oio oir oit on- ona onb ond ong oni onn ono onr ont oo- ooa oob ood oog ooi oon ooo oor oot or- ora orb ord org ori orn oro orr ort ot- ota otb otd otg oti otn oto otr ott ra- raa rab rad rag rai ran rao rar rat rba rbb rbd rbg rbi rbn rbo rbr rbt rda rdb rdd rdg rdi rdn rdo rdr rdt rga rgb rgd rgg rgi rgn rgo rgr rgt ria rib rid rig rii rin rio rir rit rna rnb rnd rng rni rnn rno rnr rnt roa rob rod rog roi ron roo ror rot rra rrb rrd rrg rri rrn rrr rrt rta rtb rtd rtg rti rtn rto rtr rtt taa tab tad tag tai tan tao tar tat tba tbb tbd tbg tbi tbn tbo tbr tbt tda tdb tdd tdg tdi tdn tdo tdr tdt tga tgb tgg tgi tgn tgo tgr tgt tia tib tid tig tii tin tio tir tit tna tnb tnd tng tni tnn tno tnr tnt to- toa tob tod tog toi ton too tor tot tra trb trd trg tri trn tro trr trt tta ttb ttd ttg tti ttn tto ttr ttt