a-a a-b a-t a-z aaa aab aam aan aao aar aat aau aaz ab- aba abb abm abn abo abr abt abu abz ama amb amm amn amo amr amt amu amz an- ana anb anm ann ano anr ant anu anz aoa aob aom aon aoo aor aot aou ar- ara arb arm arn aro arr art aru arz at- ata atb atm atn ato atr att atu atz au- aua aub aum aun auo aur aut auz az- aza azb azm azn azo azt azu azz b-u baa bab bam ban bao bar bat bau baz bba bbb bbm bbn bbo bbr bbt bbu bma bmb bmm bmn bmo bmr bmt bmu bmz bna bnb bnn bno bnr bnt bnu bnz boa bob bom bon boo bor bot bou boz bra brb brm brn bro brr brt bru brz bta btb btm btn bto btr btt btu btz bua bub bum bun buo bur but buu buz bza bzn bzo bzr bzu bzz m-o m-r maa mab mam man mao mar mat mau maz mba mbb mbm mbo mbr mbt mbu mma mmb mmm mmn mmo mmr mmt mmu mmz mna mnb mnm mnn mno mnr mnt mnu mnz moa mob mom mon moo mor mot mou moz mra mrb mrm mrn mro mrr mrt mru mrz mta mtb mtm mtn mto mtr mtt mtu mua mub mum mun mur mut muu mza mzb mzm mzn mzt naa nab nam nan nao nar nat nau naz nba nbb nbm nbn nbo nbr nbt nbu nma nmb nmm nmn nmo nmr nmt nmu nmz nna nnb nnm nnn nno nnt nnu nnz no- noa nob nom non noo nor not nou noz nra nrb nrm nrn nro nrr nrt nru nrz nta ntb ntm ntn nto ntr ntt ntu ntz nua nub num nun nuo nur nut nuu nzb nzo nzz oaa oab oam oan oao oar oat oau ob- oba obb obm obn obo obr obt obu om- oma omb omm omn omo omr omt omu omz on- ona onb onn ono onr ont onu oo- ooa oob oom oon ooo oor oot or- ora orb orm orn oro orr ort oru orz ot- ota otb otm otn oto otr ott otu otz ou- oua oum oun ouo our out oza ozm ozo ozt ozu ozz ra- raa rab ram ran rao rar rat rau raz rba rbb rbm rbn rbo rbr rbt rbu rma rmb rmm rmn rmo rmr rmt rna rnb rnm rnn rno rnr rnt rnu rnz roa rob rom ron roo ror rot rou roz rra rrb rrm rrn rrr rrt rru rta rtb rtm rtn rto rtr rtt rtu rtz rua rub rum run ruo rur rut ruu ruz rza rzb rzm rzo taa tab tam tan tao tar tat tau taz tba tbb tbm tbn tbo tbr tbt tbu tbz tma tmb tmm tmn tmo tmr tmt tmu tmz tna tnb tnm tnn tno tnr tnt tnz to- toa tob tom ton too tor tot tou toz tra trb trm trn tro trr trt tru trz tta ttb ttm ttn tto ttr ttt ttu tua tub tum tun tuo tur tut tuu tuz tza tzu ua- uaa uab uam uan uao uar uat uau uaz uba ubb ubn ubo ubr ubt ubu um- uma umb umm umn umo umr umt umu un- una unb unm unn uno unr unt unu uoa uob uom uon uoo uor uot ur- ura urb urm urn uro urr urt uru urz uta utb utm utn uto utr utt utu utz uua uum uun uur uut uuu uza uzb uzo uzu zaa zab zam zan zao zar zat zaz zbb zbm zbr zbt zma zmb zmm zmt znn zno zo- zoa zob zom zon zoo zor zot zou zro zta ztm ztr zub zum zun zur zut zuz zzr zzt zzz