-al -ol a-a a-c a-t aaa aac aal aao aat aau aax ac- aca acc acl aco act acu acx al- ala alc all alo alt alu alx aoa aoc aol aoo aot aou aox at- ata atc atl ato att atu atx au- aua auc aul auo aut aux ax- axa axl axo axt axx c-- caa cac cal cao cat cau cax cca ccc ccl cco cct ccu ccx cl- cla clc cll clo clt clu clx co- coa coc col coo cot cou cox cta ctc ctl cto ctt ctu ctx cua cuc cul cuo cut cuu cxc cxl cxo cxt cxx la- laa lac lal lao lat lau lax lca lcc lcl lco lct lcu lcx lla llc lll llo llt llu loa loc lol loo lot lou lox lta ltc ltl lto ltt ltu ltx lua luc lul luo lut luu lux lxc lxo lxx oaa oac oal oao oat oau oax oc- oca occ ocl oco oct ocu ocx ola olc oll olo olt olu oo- ooa ooc ool ooo oot oox ot- ota otc otl oto ott otu ou- oua ouc oul ouo out ox- oxa oxc oxo oxt oxx t-x taa tac tal tao tat tau tax tca tcc tcl tco tct tcu tcx tla tlc tll tlo tlt tlu tlx to- toa toc tol too tot tou tox tta ttc ttl tto ttt ttu ttx tua tuc tul tuo tut tuu tux txl txt txu ua- uaa uac ual uao uat uau uca ucc ucl uco uct ucu ula ulc ull ulo ult ulu uoa uoc uol uoo uot uox uta utc utl uto utt utu utx uua uuc uut uuu uxc uxo uxt uxu xaa xac xal xat xau xcl xcx xla xlt xoa xoc xoo xot xox xtc xtx xul xxl xxo xxx