-al -ol -th a-a a-b a-c a-t aaa aab aac aah aal aao aas aat ab- aba abb abc abh abl abo abs abt ac- aca acb acc ach acl aco acs act aha ahb ahc ahh ahl aho ahs aht al- ala alb alc alh all alo als alt aoa aob aoc aoh aol aoo aos aot as- asa asb asc ash asl aso ass ast at- ata atb atc ath atl ato ats att baa bab bac bah bal bao bas bat bba bbb bbc bbh bbl bbo bbs bbt bca bcb bcc bch bcl bco bcs bct bha bhb bhc bhh bhl bho bhs bht bla blb blc blh bll blo bls blt boa bob boc boh bol boo bos bot bsa bsb bsc bsh bsl bso bss bst bta btb btc bth btl bto bts btt c-- caa cab cac cah cal cao cas cat cba cbb cbc cbh cbl cbo cbs cbt cca ccb ccc cch ccl cco ccs cct ch- cha chb chc chh chl cho chs cht cl- cla clb clc clh cll clo cls clt co- coa cob coc coh col coo cos cot csa csb csc csh csl cso css cst cta ctb ctc cth ctl cto cts ctt haa hab hac hah hal hao has hat hba hbb hbc hbh hbl hbo hbs hbt hca hcb hcc hch hcl hco hcs hct hha hhb hhc hhh hhl hho hhs hht hla hlb hlc hlh hll hlo hls hlt hoa hob hoc hoh hol hoo hos hot hsa hsb hsc hsh hsl hss hst hta htb htc hth htl hto hts htt la- laa lab lac lah lal lao las lat lba lbb lbc lbh lbl lbo lbs lbt lca lcb lcc lch lcl lco lcs lct lha lhb lhc lhh lho lhs lht lla llb llc lll llo lls llt loa lob loc loh lol loo los lot lsa lsb lsc lsh lsl lso lss lst lta ltb ltc lth ltl lto lts ltt oaa oab oac oah oal oao oas oat ob- oba obb obc obh obl obo obs obt oc- oca ocb occ och ocl oco ocs oct oha ohc ohh ohl oho ohs oht ola olb olc oll olo ols olt oo- ooa oob ooc ooh ool ooo oos oot os- osa osb osc osh osl oso oss ost ot- ota otb otc oth otl oto ots ott saa sab sac sah sal sao sas sat sba sbb sbc sbh sbl sbo sbs sbt sca scb scc sch scl sco scs sct sh- sha shb shc shh shl sho shs sht sla slb slc slh sll slo sls slt soa sob soc soh sol soo sos sot ss- ssa ssb ssc ssh ssl sso sss sst sta stb stc sth stl sto sts stt taa tab tac tah tal tao tas tat tba tbb tbc tbh tbl tbo tbs tbt tca tcb tcc tch tcl tco tcs tct th- tha thb thc thh thl tho ths tht tla tlc tlh tll tlo tls tlt to- toa tob toc toh tol too tos tot tsa tsb tsc tsh tsl tso tss tst tta ttb ttc tth ttl tto tts ttt