-al -ic a-a a-b a-c a-i a-t aaa aab aac aai aal aat ab- aba abb abc abi abl abt ac- aca acb acc aci acl act ai- aia aib aic aii ail ait al- ala alb alc ali all alt at- ata atb atc ati atl att baa bab bac bai bal bat bba bbb bbc bbi bbl bbt bca bcb bcc bci bcl bct bi- bia bib bic bii bil bit bla blb blc bli bll blt bta btb btc bti btl btt c-- caa cab cac cai cal cat cba cbb cbc cbi cbl cbt cca ccb ccc cci ccl cct ci- cia cib cic cii cil cit cl- cla clb clc cli cll clt cta ctb ctc cti ctl ctt ia- iaa iab iac iai ial iat iba ibb ibc ibi ibl ibt ica icb icc ici icl ict iia iib iic iii iil iit il- ila ilb ilc ili ill ilt ita itb itc iti itl itt la- laa lab lac lai lal lat lba lbb lbc lbi lbl lbt lca lcb lcc lci lcl lct lia lib lic lii lil lit lla llb llc lli lll llt lta ltb ltc lti ltl ltt taa tab tac tai tal tat tba tbb tbc tbi tbl tbt tca tcb tcc tci tcl tct tia tib tic tii til tit tla tlc tli tll tlt tta ttb ttc tti ttl ttt