-al -ic -ol -th a-a a-b a-c a-i a-t aaa aab aac aah aai aal aao aat ab- aba abb abc abh abi abl abo abt ac- aca acb acc ach aci acl aco act aha ahb ahc ahh ahi ahl aho aht ai- aia aib aic aih aii ail aio ait al- ala alb alc alh ali all alo alt aoa aob aoc aoh aoi aol aoo aot at- ata atb atc ath ati atl ato att baa bab bac bah bai bal bao bat bba bbb bbc bbh bbi bbl bbo bbt bca bcb bcc bch bci bcl bco bct bha bhb bhc bhh bhi bhl bho bht bi- bia bib bic bih bii bil bio bit bla blb blc blh bli bll blo blt boa bob boc boh boi bol boo bot bta btb btc bth bti btl bto btt c-- caa cab cac cah cai cal cao cat cba cbb cbc cbh cbi cbl cbo cbt cca ccb ccc cch cci ccl cco cct ch- cha chb chc chh chi chl cho cht ci- cia cib cic cih cii cil cio cit cl- cla clb clc clh cli cll clo clt co- coa cob coc coh coi col coo cot cta ctb ctc cth cti ctl cto ctt h-i haa hab hac hah hai hal hao hat hba hbb hbc hbh hbi hbl hbo hbt hca hcb hcc hch hci hcl hco hct hha hhb hhc hhh hhi hhl hho hht hia hib hic hih hii hil hio hit hla hlb hlc hlh hli hll hlo hlt hoa hob hoc hoh hoi hol hoo hot hta htb htc hth hti htl hto htt ia- iaa iab iac iah iai ial iao iat iba ibb ibc ibh ibi ibl ibo ibt ica icb icc ich ici icl ico ict iha ihb ihc ihh ihi ihl iho iht iia iib iic iih iii iil iio iit il- ila ilb ilc ilh ili ill ilo ilt io- ioa iob ioc ioh ioi iol ioo iot ita itb itc ith iti itl ito itt la- laa lab lac lah lai lal lao lat lba lbb lbc lbh lbi lbl lbo lbt lca lcb lcc lch lci lcl lco lct lha lhb lhc lhh lhi lho lht lia lib lic lih lii lil lio lit lla llb llc lli lll llo llt loa lob loc loh loi lol loo lot lta ltb ltc lth lti ltl lto ltt o-i oaa oab oac oah oai oal oao oat ob- oba obb obc obh obi obl obo obt oc- oca ocb occ och oci ocl oco oct oha ohc ohh ohi ohl oho oht oia oib oic oii oil oio oit ola olb olc oli oll olo olt oo- ooa oob ooc ooh ooi ool ooo oot ot- ota otb otc oth oti otl oto ott taa tab tac tah tai tal tao tat tba tbb tbc tbh tbi tbl tbo tbt tca tcb tcc tch tci tcl tco tct th- tha thb thc thh thi thl tho tht tia tib tic tih tii til tio tit tla tlc tlh tli tll tlo tlt to- toa tob toc toh toi tol too tot tta ttb ttc tth tti ttl tto ttt