-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aal aao aat ab- aba abb abc abi abl abo abt ac- aca acb acc aci acl aco act ai- aia aib aic aii ail aio ait al- ala alb alc ali all alo alt aoa aob aoc aoi aol aoo aot at- ata atb atc ati atl ato att baa bab bac bai bal bao bat bba bbb bbc bbi bbl bbo bbt bca bcb bcc bci bcl bco bct bi- bia bib bic bii bil bio bit bla blb blc bli bll blo blt boa bob boc boi bol boo bot bta btb btc bti btl bto btt c-- caa cab cac cai cal cao cat cba cbb cbc cbi cbl cbo cbt cca ccb ccc cci ccl cco cct ci- cia cib cic cii cil cio cit cl- cla clb clc cli cll clo clt co- coa cob coc coi col coo cot cta ctb ctc cti ctl cto ctt ia- iaa iab iac iai ial iao iat iba ibb ibc ibi ibl ibo ibt ica icb icc ici icl ico ict iia iib iic iii iil iio iit il- ila ilb ilc ili ill ilo ilt io- ioa iob ioc ioi iol ioo iot ita itb itc iti itl ito itt la- laa lab lac lai lal lao lat lba lbb lbc lbi lbl lbo lbt lca lcb lcc lci lcl lco lct lia lib lic lii lil lio lit lla llb llc lli lll llo llt loa lob loc loi lol loo lot lta ltb ltc lti ltl lto ltt o-i oaa oab oac oai oal oao oat ob- oba obb obc obi obl obo obt oc- oca ocb occ oci ocl oco oct oia oib oic oii oil oio oit ola olb olc oli oll olo olt oo- ooa oob ooc ooi ool ooo oot ot- ota otb otc oti otl oto ott taa tab tac tai tal tao tat tba tbb tbc tbi tbl tbo tbt tca tcb tcc tci tcl tco tct tia tib tic tii til tio tit tla tlc tli tll tlo tlt to- toa tob toc toi tol too tot tta ttb ttc tti ttl tto ttt