a-a a-b a-c a-t aaa aab aac aad aam aan aao aat aau ab- aba abb abc abd abm abn abo abt abu ac- aca acb acc acd acm acn aco act acu ad- ada adb adc add adm adn ado adt adu ama amb amc amd amm amn amo amt amu an- ana anb anc and anm ann ano ant anu aoa aob aoc aod aom aon aoo aot aou at- ata atb atc atd atm atn ato att atu au- aua aub auc aud aum aun auo aut b-u baa bab bac bad bam ban bao bat bau bba bbb bbc bbd bbm bbn bbo bbt bbu bca bcb bcc bcd bcm bcn bco bct bcu bda bdb bdc bdd bdm bdo bdt bdu bma bmb bmc bmd bmm bmn bmo bmt bmu bna bnb bnc bnd bnn bno bnt bnu boa bob boc bod bom bon boo bot bou bta btb btc btd btm btn bto btt btu bua bub buc bud bum bun buo but buu c-- caa cab cac cad cam can cao cat cau cba cbb cbc cbd cbm cbn cbo cbt cbu cca ccb ccc ccd ccm ccn cco cct ccu cda cdb cdc cdd cdm cdn cdo cdt cdu cma cmb cmc cmd cmm cmn cmo cmt cmu cn- cna cnb cnc cnd cnm cnn cno cnt cnu co- coa cob coc cod com con coo cot cou cta ctb ctc ctd ctm ctn cto ctt ctu cua cub cuc cud cum cun cuo cut cuu daa dab dac dad dam dan dao dat dau dba dbb dbc dbd dbm dbn dbo dbt dbu dca dcb dcc dcd dcm dcn dco dct dcu dda ddb ddc ddd ddm ddn ddo ddt ddu dma dmb dmc dmd dmm dmn dmo dmt dmu dna dnb dnc dnd dnm dnn dno dnt doa dob doc dod dom don doo dot dou dta dtb dtc dtd dtm dtn dto dtt dtu dua dub duc dud dum dun duo dut m-o maa mab mac mad mam man mao mat mau mba mbb mbc mbd mbm mbo mbt mbu mc- mca mcb mcc mcd mcm mcn mco mct mcu mda mdb mdc mdd mdm mdn mdo mdt mdu mma mmb mmc mmd mmm mmn mmo mmt mmu mna mnb mnc mnm mnn mno mnt mnu moa mob moc mod mom mon moo mot mou mta mtb mtc mtd mtm mtn mto mtt mtu mua mub muc mud mum mun mut muu naa nab nac nad nam nan nao nat nau nba nbb nbc nbd nbm nbn nbo nbt nbu nca ncb ncc ncd ncm ncn nco nct ncu nda ndb ndc ndd ndm ndn ndo ndt ndu nma nmb nmc nmd nmm nmn nmo nmt nmu nna nnb nnc nnm nnn nno nnt nnu no- noa nob noc nod nom non noo not nou nta ntb ntc ntd ntm ntn nto ntt ntu nua nub nuc nud num nun nuo nut nuu oaa oab oac oad oam oan oao oat oau ob- oba obb obc obd obm obn obo obt obu oc- oca ocb occ ocd ocm ocn oco oct ocu oda odb odc odd odm odn odo odt odu om- oma omb omc omd omm omn omo omt omu on- ona onb onc ond onn ono ont onu oo- ooa oob ooc ood oom oon ooo oot ot- ota otb otc otd otm otn oto ott otu ou- oua ouc oud oum oun ouo out taa tab tac tad tam tan tao tat tau tba tbb tbc tbd tbm tbn tbo tbt tbu tca tcb tcc tcd tcm tcn tco tct tcu tda tdb tdc tdd tdm tdn tdo tdt tdu tma tmb tmc tmd tmm tmn tmo tmt tmu tna tnb tnc tnd tnm tnn tno tnt to- toa tob toc tod tom ton too tot tou tta ttb ttc ttd ttm ttn tto ttt ttu tua tub tuc tud tum tun tuo tut tuu ua- uaa uab uac uad uam uan uao uat uau uba ubb ubc ubn ubo ubt ubu uca ucb ucc ucd ucm ucn uco uct ucu uda udb udc udd udm udn udo udt udu um- uma umb umc umd umm umn umo umt umu un- una unb unc und unm unn uno unt unu uoa uob uoc uod uom uon uoo uot uta utb utc utd utm utn uto utt utu uua uuc uum uun uut uuu