-th a-a a-b a-c a-t aaa aab aac aad aah aam aan aao aat ab- aba abb abc abd abh abm abn abo abt ac- aca acb acc acd ach acm acn aco act ad- ada adb adc add adh adm adn ado adt aha ahb ahc ahd ahh ahm ahn aho aht ama amb amc amd amh amm amn amo amt an- ana anb anc and anh anm ann ano ant aoa aob aoc aod aoh aom aon aoo aot at- ata atb atc atd ath atm atn ato att baa bab bac bad bah bam ban bao bat bba bbb bbc bbd bbh bbm bbn bbo bbt bca bcb bcc bcd bch bcm bcn bco bct bda bdb bdc bdd bdh bdm bdo bdt bha bhb bhc bhd bhh bhm bho bht bma bmb bmc bmd bmh bmm bmn bmo bmt bna bnb bnc bnd bnn bno bnt boa bob boc bod boh bom bon boo bot bta btb btc btd bth btm btn bto btt c-- caa cab cac cad cah cam can cao cat cba cbb cbc cbd cbh cbm cbn cbo cbt cca ccb ccc ccd cch ccm ccn cco cct cda cdb cdc cdd cdh cdm cdn cdo cdt ch- cha chb chc chd chh chm chn cho cht cma cmb cmc cmd cmh cmm cmn cmo cmt cn- cna cnb cnc cnd cnh cnm cnn cno cnt co- coa cob coc cod coh com con coo cot cta ctb ctc ctd cth ctm ctn cto ctt daa dab dac dad dah dam dan dao dat dba dbb dbc dbd dbh dbm dbn dbo dbt dca dcb dcc dcd dcm dcn dco dct dda ddb ddc ddd ddh ddm ddn ddo ddt dh- dha dhb dhc dhd dhh dhm dho dht dma dmb dmc dmd dmh dmm dmn dmo dmt dna dnb dnc dnd dnh dnm dnn dno dnt doa dob doc dod doh dom don doo dot dta dtb dtc dtd dth dtm dtn dto dtt haa hab hac had hah ham han hao hat hba hbb hbc hbd hbh hbm hbn hbo hbt hca hcb hcc hcd hch hcm hcn hco hct hda hdb hdc hdd hdh hdm hdn hdo hdt hha hhb hhc hhd hhh hhm hhn hho hht hma hmb hmc hmd hmh hmm hmo hmt hna hnb hnc hnd hnh hnn hno hnt hoa hob hoc hod hoh hom hon hoo hot hta htb htc htd hth htm htn hto htt m-o maa mab mac mad mah mam man mao mat mba mbb mbc mbd mbh mbm mbo mbt mc- mca mcb mcc mcd mch mcm mcn mco mct mda mdb mdc mdd mdh mdm mdn mdo mdt mha mhc mhd mhh mhm mhn mho mht mma mmb mmc mmd mmh mmm mmn mmo mmt mna mnb mnc mnm mnn mno mnt moa mob moc mod moh mom mon moo mot mta mtb mtc mtd mth mtm mtn mto mtt naa nab nac nad nah nam nan nao nat nba nbb nbc nbd nbm nbn nbo nbt nca ncb ncc ncd nch ncm ncn nco nct nda ndb ndc ndd ndh ndm ndn ndo ndt nha nhb nhc nhd nhh nhm nhn nht nma nmb nmc nmd nmh nmm nmn nmo nmt nna nnb nnc nnh nnm nnn nno nnt no- noa nob noc nod noh nom non noo not nta ntb ntc ntd nth ntm ntn nto ntt oaa oab oac oad oah oam oan oao oat ob- oba obb obc obd obh obm obn obo obt oc- oca ocb occ ocd och ocm ocn oco oct oda odb odc odd odh odm odn odo odt oha ohc ohd ohh ohm ohn oho oht om- oma omb omc omd omh omm omn omo omt on- ona onb onc ond onh onn ono ont oo- ooa oob ooc ood ooh oom oon ooo oot ot- ota otb otc otd oth otm otn oto ott taa tab tac tad tah tam tan tao tat tba tbb tbc tbd tbh tbm tbn tbo tbt tca tcb tcc tcd tch tcm tcn tco tct tda tdb tdc tdd tdh tdm tdn tdo tdt th- tha thb thc thd thh thm thn tho tht tma tmb tmc tmd tmh tmm tmn tmo tmt tna tnb tnc tnd tnh tnm tnn tno tnt to- toa tob toc tod toh tom ton too tot tta ttb ttc ttd tth ttm ttn tto ttt