a-a a-b a-i a-t aaa aab aad aag aai aan aao aar aat aau ab- aba abb abd abg abi abn abo abr abt abu ad- ada adb add adg adi adn ado adr adt adu ag- aga agb agd agg agi agn ago agr agt agu ai- aia aib aid aig aii ain aio air ait aiu an- ana anb and ang ani ann ano anr ant anu aoa aob aod aog aoi aon aoo aor aot aou ar- ara arb ard arg ari arn aro arr art aru at- ata atb atd atg ati atn ato atr att atu au- aua aub aud aug aui aun auo aur aut b-u baa bab bad bag bai ban bao bar bat bau bba bbb bbd bbg bbi bbn bbo bbr bbt bbu bda bdb bdd bdg bdi bdo bdr bdt bdu bga bgb bgd bgg bgi bgn bgo bgr bgt bgu bi- bia bib bid big bii bin bio bir bit biu bna bnb bnd bng bni bnn bno bnr bnt bnu boa bob bod bog boi bon boo bor bot bou bra brb brd brg bri brn bro brr brt bru bta btb btd btg bti btn bto btr btt btu bua bub bud bug bui bun buo bur but buu daa dab dad dag dai dan dao dar dat dau dba dbb dbd dbg dbi dbn dbo dbr dbt dbu dda ddb ddd ddg ddi ddn ddo ddr ddt ddu dga dgd dgg dgi dgn dgr dgt dgu di- dia dib did dig dii din dio dir dit diu dna dnb dnd dng dni dnn dno dnr dnt doa dob dod dog doi don doo dor dot dou dra drb drd drg dri drn dro drr drt dru dta dtb dtd dtg dti dtn dto dtr dtt dtu dua dub dud dug dui dun duo dur dut g-d gaa gab gad gag gai gan gao gar gat gau gba gbd gbg gbi gbn gbo gbr gbt gbu gda gdb gdd gdi gdn gdo gdr gdt gdu gga ggb ggd ggg ggi ggn ggo ggr ggt ggu gia gib gid gig gii gin gio gir git giu gna gnb gnd gni gnn gno gnr gnt gnu goa gob god gog goi gon goo gor got gou gra grb grd grg gri grn gro grr grt gru gta gtb gtd gtg gti gtn gto gtr gtt gtu gu- gua gub gud gug gui gun guo gur gut guu i-d ia- iaa iab iad iag iai ian iao iar iat iau iba ibb ibd ibg ibi ibn ibo ibr ibt ibu ida idb idd idg idi idn ido idr idt idu iga igb igd igg igi ign igo igr igt igu iia iib iid iii iin iio iir iit iiu in- ina inb ind ing ini inn ino inr int inu io- ioa iob iod iog ioi ion ioo ior iot iou ir- ira irb ird irg iri irn iro irr irt iru ita itb itd itg iti itn ito itt itu iu- iua iub iud iug iui iur iut n-i naa nab nad nag nai nan nao nar nat nau nba nbb nbd nbg nbi nbn nbo nbr nbt nbu nda ndb ndd ndg ndi ndn ndo ndr ndt ndu nga ngb ngd ngg ngi ngn ngo ngt ngu nia nib nid nig nii nin nio nir nit niu nna nnb nng nni nnn nno nnt nnu no- noa nob nod nog noi non noo nor not nou nra nrb nrd nrg nri nrn nro nrr nrt nru nta ntb ntd ntg nti ntn nto ntr ntt ntu nua nub nud nug nui nun nuo nur nut nuu o-i oaa oab oad oag oai oan oao oar oat oau ob- oba obb obd obg obi obn obo obr obt obu oda odb odd odg odi odn odo odr odt odu oga ogd ogg ogi ogn ogo ogt oia oib oid oii oin oio oir oit oiu on- ona onb ond ong oni onn ono onr ont onu oo- ooa oob ood oog ooi oon ooo oor oot or- ora orb ord org ori orn oro orr ort oru ot- ota otb otd otg oti otn oto otr ott otu ou- oua oud oui oun ouo our out ra- raa rab rad rag rai ran rao rar rat rau rba rbb rbd rbg rbi rbn rbo rbr rbt rbu rda rdb rdd rdg rdi rdn rdo rdr rdt rdu 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 rnu roa rob rod rog roi ron roo ror rot rou rra rrb rrd rrg rri rrn rrr rrt rru rta rtb rtd rtg rti rtn rto rtr rtt rtu rua rub rud rug rui run ruo rur rut ruu taa tab tad tag tai tan tao tar tat tau tba tbb tbd tbg tbi tbn tbo tbr tbt tbu tda tdb tdd tdg tdi tdn tdo tdr tdt tdu tga tgb tgg tgi tgn tgo tgr tgt tgu tia tib tid tig tii tin tio tir tit tiu tna tnb tnd tng tni tnn tno tnr tnt to- toa tob tod tog toi ton too tor tot tou tra trb trd trg tri trn tro trr trt tru tta ttb ttd ttg tti ttn tto ttr ttt ttu tua tub tud tug tui tun tuo tur tut tuu ua- uaa uab uad uag uai uan uao uar uat uau uba ubb ubg ubi ubn ubo ubr ubt ubu uda udb udd udg udi udn udo udr udt udu uga ugb ugg ugi ugn ugo ugr ugt ugu uia uib uid uig uii uin uio uir uit uiu un- una unb und ung uni unn uno unr unt unu uoa uob uod uog uon uoo uor uot ur- ura urb urd urg uri urn uro urr urt uru uta utb utd uti utn uto utr utt utu uua uug uun uur uut uuu