-al -th a-a a-b a-c a-t aaa aab aac aad aah aal aan aas aat ab- aba abb abc abd abh abl abn abs abt ac- aca acb acc acd ach acl acn acs act ad- ada adb adc add adh adl adn ads adt aha ahb ahc ahd ahh ahl ahn ahs aht al- ala alb alc ald alh all aln als alt an- ana anb anc and anh anl ann ans ant as- asa asb asc asd ash asl asn ass ast at- ata atb atc atd ath atl atn ats att baa bab bac bad bah bal ban bas bat bba bbb bbc bbd bbh bbl bbn bbs bbt bca bcb bcc bcd bch bcl bcn bcs bct bda bdb bdc bdd bdh bdl bds bdt bha bhb bhc bhd bhh bhl bhs bht bla blb blc bld blh bll bln bls blt bna bnb bnc bnd bnl bnn bns bnt bsa bsb bsc bsd bsh bsl bsn bss bst bta btb btc btd bth btl btn bts btt c-- caa cab cac cad cah cal can cas cat cba cbb cbc cbd cbh cbl cbn cbs cbt cca ccb ccc ccd cch ccl ccn ccs cct cda cdb cdc cdd cdh cdl cdn cds cdt ch- cha chb chc chd chh chl chn chs cht cl- cla clb clc cld clh cll cln cls clt cn- cna cnb cnc cnd cnh cnl cnn cns cnt csa csb csc csd csh csl csn css cst cta ctb ctc ctd cth ctl ctn cts ctt daa dab dac dad dah dal dan das dat dba dbb dbc dbd dbh dbl dbn dbs dbt dca dcb dcc dcd dcl dcn dcs dct dda ddb ddc ddd ddh ddl ddn dds ddt dh- dha dhb dhc dhd dhh dhl dhs dht dl- dla dlb dlc dld dlh dll dls dlt dna dnb dnc dnd dnh dnl dnn dns dnt dsa dsb dsc dsd dsh dsl dsn dss dst dta dtb dtc dtd dth dtl dtn dts dtt haa hab hac had hah hal han has hat hba hbb hbc hbd hbh hbl hbn hbs hbt hca hcb hcc hcd hch hcl hcn hcs hct hda hdb hdc hdd hdh hdl hdn hds hdt hha hhb hhc hhd hhh hhl hhn hhs hht hla hlb hlc hld hlh hll hln hls hlt hna hnb hnc hnd hnh hnl hnn hns hnt hsa hsb hsc hsd hsh hsl hsn hss hst hta htb htc htd hth htl htn hts htt la- laa lab lac lad lah lal lan las lat lba lbb lbc lbd lbh lbl lbs lbt lca lcb lcc lcd lch lcl lcn lcs lct lda ldb ldc ldd ldh ldl ldn lds ldt lha lhb lhc lhd lhh lhs lht lla llb llc lld lll lln lls llt lna lnb lnc lnd lnh lnl lnn lns lnt lsa lsb lsc lsd lsh lsl lsn lss lst lta ltb ltc ltd lth ltl lts ltt naa nab nac nad nah nal nan nas nat nba nbb nbc nbd nbl nbn nbs nbt nca ncb ncc ncd nch ncl ncn ncs nct nda ndb ndc ndd ndh ndl ndn nds ndt nha nhb nhc nhd nhh nhl nhn nhs nht nla nlb nlc nld nlh nll nln nls nlt nna nnb nnc nnh nnl nnn nns nnt nsa nsb nsc nsd nsh nsl nsn nss nst nta ntb ntc ntd nth ntn nts ntt saa sab sac sad sah sal san sas sat sba sbb sbc sbd sbh sbl sbn sbs sbt sca scb scc scd sch scl scn scs sct sda sdb sdc sdd sdh sdl sdn sds sdt sh- sha shb shc shd shh shl shn shs sht sla slb slc sld slh sll sln sls slt sna snb snc snd snl snn sns snt ss- ssa ssb ssc ssd ssh ssl ssn sss sst sta stb stc std sth stl stn sts stt taa tab tac tad tah tal tan tas tat tba tbb tbc tbd tbh tbl tbn tbs tbt tca tcb tcc tcd tch tcl tcn tcs tct tda tdb tdc tdd tdh tdl tdn tds tdt th- tha thb thc thd thh thl thn ths tht tla tlc tld tlh tll tln tls tlt tna tnb tnc tnd tnh tnl tnn tns tnt tsa tsb tsc tsd tsh tsl tsn tss tst tta ttb ttc ttd tth ttl ttn tts ttt