a-a a-b a-t aaa aab aad aaf aam aao aas aat ab- aba abb abd abf abm abo abs abt ad- ada adb add adf adm ado ads adt af- afa afb afd aff afm afo afs aft ama amb amd amf amm amo ams amt aoa aob aod aof aom aoo aos aot as- asa asb asd asf asm aso ass ast at- ata atb atd atf atm ato ats att baa bab bad baf bam bao bas bat bba bbb bbd bbf bbm bbo bbs bbt bda bdb bdd bdf bdm bdo bds bdt bfa bfb bfd bff bfm bfo bfs bft bma bmb bmd bmf bmm bmo bms bmt boa bob bod bof bom boo bos bot bsa bsb bsd bsf bsm bso bss bst bta btb btd btf btm bto bts btt daa dab dad daf dam dao das dat dba dbb dbd dbf dbm dbo dbs dbt dda ddb ddd ddf ddm ddo dds ddt dfa dfb dfd dff dfm dfo dfs dft dma dmb dmd dmf dmm dmo dms dmt doa dob dod dof dom doo dos dot dsa dsb dsd dsf dsm dso dss dst dta dtb dtd dtf dtm dto dts dtt faa fab fad faf fam fao fas fat fba fbb fbd fbf fbm fbo fbs fbt fda fdb fdd fdf fdm fdo fds fdt ffa ffd fff ffm ffo ffs fft fma fmb fmd fmf fmm fmo fms fmt foa fob fof fom foo fos fot fsa fsb fsd fsf fsm fso fss fst fta ftb ftd ftf ftm fto fts ftt m-f m-o maa mab mad maf mam mao mas mat mba mbb mbd mbf mbm mbo mbs mbt mda mdb mdd mdf mdm mdo mds mdt mfa mfb mfd mff mfm mfo mfs mft mma mmb mmd mmf mmm mmo mms mmt moa mob mod mof mom moo mos mot msa msb msd msf msm mso mss mst mta mtb mtd mtf mtm mto mts mtt oaa oab oad oaf oam oao oas oat ob- oba obb obd obf obm obo obs obt oda odb odd odf odm odo ods odt of- ofa ofb ofd off ofm ofo ofs oft om- oma omb omd omf omm omo oms omt oo- ooa oob ood oof oom ooo oos oot os- osa osb osd osf osm oso oss ost ot- ota otb otd otf otm oto ots ott saa sab sad saf sam sao sas sat sba sbb sbd sbf sbm sbo sbs sbt sda sdb sdd sdf sdm sdo sds sdt sfa sfb sfd sff sfm sfo sfs sft sma smb smd smf smm smo sms smt soa sob sod sof som soo sos sot ss- ssa ssb ssd ssf ssm sso sss sst sta stb std stf stm sto sts stt taa tab tad taf tam tao tas tat tba tbb tbd tbf tbm tbo tbs tbt tda tdb tdd tdf tdm tdo tds tdt tfa tfb tfd tff tfm tfo tfs tft tma tmb tmd tmf tmm tmo tms tmt to- toa tob tod tof tom too tos tot tsa tsb tsd tsf tsm tso tss tst tta ttb ttd ttf ttm tto tts ttt

a-do aaaa aaab aaad aaaf aaam aaas aaba aabb aabd aabm aabt aada aads aadt aafa aafb aafd aaff aama aamb aamd aamo aams aaoo aasa aasd aasf aasm aass aast aata aatf aatt abaa abab abad abaf abam abas abat abb- abba abbb abbo abbs abbt abda abdo abff abma abmb abms abmt aboa abob abod abof aboo abos abot abs- absa absd absf abss abta abts adaa adab adad adam adao adas adat adba adda addd addo adds adfa adfs adma admb adms adob adod adoo ados adot adsa adsm adso adss adst adta adts afaa afad afam afao afat afbs afdb affa affo affs afft afma afoa afoo afsa afsb afsm afst afta afts amaa amad amam amas amat amb- amba ambo ambs amda amdo amds amdt amfm amm- amma ammo amob amod amof amoo amos amot amsa amsd amso amss amst amta amto amts aoba aoma aosd aoss aotd aotf asaa asab asad asaf asam asao asas asat asba asbm asbo asda asdf asdo asds asfa asma asmd asmf asmm asms asmt asob asod asof asom asos asot assa assd asso asss asst asta astb astm asto asts at-t ataa atab atad atas atat atbs atdt atfb atfs atm- atma atmo atms atob atod atof atom atos atot atsb atst atta atto atts baaa baad baaf baam baas baat baba babb babm babo babs bada badb badd bado bads baff bafo baft bama bamb bamf bamm bams baos basa basf baso bass bast bata batf bato bats batt bbad bbas bbbb bbbs bbdd bbdo bdos bdsd bdsm bfas bffs bfta bfts bftt bmaa bmdb bmts boab boad boas boat boba bobb bobo bobs boda bodb bodo bods bofa bofd boff bofs boma bomb boms bomt boob bood boof boom boos boot bosa bosm boso boss bost bota botb botd boto bots bott bsaa bsam bsas bsat bsbd bsfa bsff bsfs bsms bsmt bsod bsos bssd bssm bsts btaa btaf btdt btob btss bttb d-bo daab daad daam daas daba dabb dabo dabs dabt dada dado dads dafa daff dafo dafs daft dama damb damm damo dams daos dasa dasb dasd dass dast data dato dats datt dbas dbfo dbfs dbms dbos dbsa dbss dbtt dddd ddot ddss ddts dfaf dfas dfds dfdt dffa dfma dfsm dfts dmaa dmab dmas dmba dmbf dmds dmdt dmfa dmft dmsa dmso dmss dmst dmtf dmts doab doas doat doba dobb dobs dod- doda dodd dodo dods doff doma domb domm domo doms doob dood doof doom doos doot dosa doso doss dost dota dotd doto dots dott dsba dsda dsdm dsfa dsmb dsms dsoa dsos dssa dsst dsto dsts dtaa dtot dtss faaa faad faam faas faba fabd fabm fabo fabs fada fadd fado fads fafa faff fafo fama famo fams fasa fasd fasm faso fass fast fata fatf fato fats fatt