-al -er a-a a-c a-t aaa aac aae aal aar aat aau aax ac- aca acc ace acl acr act acu acx aea aec aee ael aer aet aeu aex al- ala alc ale all alr alt alu alx ar- ara arc are arl arr art aru arx at- ata atc ate atl atr att atu atx au- aua auc aue aul aur aut aux ax- axa axe axl axr axt axx c-- caa cac cae cal car cat cau cax cca ccc cce ccl ccr cct ccu ccx ce- cea cec cee cel cer cet ceu cex cl- cla clc cle cll clr clt clu clx cra crc cre crl crr crt cru crx cta ctc cte ctl ctr ctt ctu ctx cua cuc cue cul cur cut cuu cxc cxl cxr cxt cxx eaa eac eae eal ear eat eau eax ec- eca ecc ece ecl ecr ect ecu ecx eea eec eee eel eer eet eex ela elc ele ell elr elt elu elx era erc ere erl err ert eru eta etc ete etl etr ett etu etx eu- eua euc eue eul eur eut eux ex- exa exc exe exl exr ext exu exx la- laa lac lae lal lar lat lau lax lca lcc lce lcl lcr lct lcu lcx lea lec lee lel ler let leu lex lla llc lle lll llr llt llu lra lrc lrr lrt lru lta ltc lte ltl ltr ltt ltu ltx lua luc lue lul lur lut luu lux lxc lxr lxx ra- raa rac rae ral rar rat rau rax rca rcc rce rcl rcr rct rcu rcx re- rea rec ree rel rer ret reu rex rla rlc rle rll rlr rlt rlu rra rrc rrl rrr rrt rru rta rtc rte rtl rtr rtt rtu rtx rua ruc rue rur rut ruu rux rxr t-x taa tac tae tal tar tat tau tax tca tcc tce tcl tcr tct tcu tcx te- tea tec tee tel ter tet teu tex tla tlc tle tll tlr tlt tlu tlx tra trc tre trl trr trt tru trx tta ttc tte ttl ttr ttt ttu ttx tua tuc tue tul tur tut tuu tux txe txl txt txu ua- uaa uac uae ual uar uat uau uca ucc uce ucl ucr uct ucu uea uec uee uel uer uet ula ulc ule ull ulr ult ulu ur- ura urc ure url urr urt uru urx uta utc ute utl utr utt utu utx uua uuc uue uur uut uuu uxc uxr uxt uxu xaa xac xal xar xat xau xcl xcr xcx xee xel xer xet xeu xex xla xlr xlt xrc xrt xrx xtc xtr xtx xue xul xxl xxx