-al -ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aal aat ab- aba abb abc abf abi abl abt ac- aca acb acc acf aci acl act af- afa afb afc aff afi afl aft ai- aia aib aic aif aii ail ait al- ala alb alc alf ali all alt at- ata atb atc atf ati atl att baa bab bac baf bai bal bat bba bbb bbc bbf bbi bbl bbt bca bcb bcc bcf bci bcl bct bfa bfb bfc bff bfi bfl bft bi- bia bib bic bif bii bil bit bla blb blc blf bli bll blt bta btb btc btf bti btl btt c-- caa cab cac caf cai cal cat cba cbb cbc cbf cbi cbl cbt cca ccb ccc ccf cci ccl cct cfa cfb cfc cff cfi cfl cft ci- cia cib cic cif cii cil cit cl- cla clb clc clf cli cll clt cta ctb ctc ctf cti ctl ctt faa fab fac faf fai fal fat fba fbb fbc fbf fbi fbl fbt fca fcb fcc fcf fci fcl fct ffa ffc fff ffi ffl fft fia fib fic fif fii fil fit fla flb flc flf fli fll flt fta ftb ftc ftf fti ftl ftt i-f ia- iaa iab iac iaf iai ial iat iba ibb ibc ibf ibi ibl ibt ica icb icc icf ici icl ict ifa ifb ifc iff ifi ifl ift iia iib iic iif iii iil iit il- ila ilb ilc ilf ili ill ilt ita itb itc itf iti itl itt la- laa lab lac laf lai lal lat lba lbb lbc lbf lbi lbl lbt lca lcb lcc lcf lci lcl lct lfa lfb lfc lff lfi lfl lft lia lib lic lif lii lil lit lla llb llc llf lli lll llt lta ltb ltc ltf lti ltl ltt taa tab tac taf tai tal tat tba tbb tbc tbf tbi tbl tbt tca tcb tcc tcf tci tcl tct tfa tfb tfc tff tfi tfl tft tia tib tic tif tii til tit tla tlc tlf tli tll tlt tta ttb ttc ttf tti ttl ttt