aaaa aaac aaal aaca aacc aacl aaco aact aala aalc aall aalo aaoo aata aatc aatt ac-t acaa acac acat acca accc acco acct acla aclc acoa acol acot acta actc actl acto actt alaa alac alal alao alat alca alcc alco all- alla alll allo aloa aloc alol aloo alot alta alto altx alxa aoca aola aotc at-l at-t at-x ataa atac atal atat atax atca atcc atcl atco atla atlo atoc atol atot atta atto axal axat axo- axoa axto axxo caaa caac caal caat cac- caca cacc caco cala calc call calo calt calx caol cat- cata catc cato catt caxa ccaa ccac ccat ccca cccc cccl ccla cclc cclx ccoc cctc cctl cctt ccxl clat cloo clot clox cltc clxx coal coat coax coca coco coct col- cola coll colo colt cool coot cota cotc coto cott coxa ctal ctca ctol ctot ctta cxxx laaa laac laal laat laax laca lacc lacl laco lact lala lall lalo lata latc lato latt laxa laxo lcac lcat lcca lccc lctl lcto llao llat llcc lllc llll lloa lloc lloo loac loat loca locc loco lola loll lolo looc lool loot lota lotl loto lott lox- loxa loxo ltac ltcc lttc lxxx oall ocac ocal ocat occa occc occt oclc oct- octa octo olac olat olax olca olcc olla ollo olot olta ooaa oola oolo oooo otac otcl oto- otoo otta otto oxa- oxal oxo- oxox oxxo taa- taal taat taca tacc tacl taco tact tala talc tall talo talx taoa tata tato tatt tax- taxa taxo taxt tcca tccc tclx tctc tlac tlco tltx toal toat toca toco tol- tola toll tolo tolt tooa tool toot tota totc toto tott tox- toxa toxo toxt tttt txaa xacl xact xala xall xcal xcat xloc xlox xoca xoco xolo xoxo xtal xtol xxxo xxxx