-al -er a-a a-c aaa aac aae aal aar aau aav aax ac- aca acc ace acl acr acu acv acx aea aec aee ael aer aeu aev aex al- ala alc ale all alr alu alv alx ar- ara arc are arl arr aru arv arx au- aua auc aue aul aur auv aux av- ava avc ave avl avr avu avx ax- axa axe axl axr axv axx c-- caa cac cae cal car cau cav cax cca ccc cce ccl ccr ccu ccv ccx ce- cea cec cee cel cer ceu cev cex cl- cla clc cle cll clr clu clv clx cra crc cre crl crr cru crv crx cua cuc cue cul cur cuu cuv cva cvc cve cvl cvr cvu cvv cvx cxc cxl cxr cxv cxx eaa eac eae eal ear eau eav eax ec- eca ecc ece ecl ecr ecu ecv ecx eea eec eee eel eer eev eex ela elc ele ell elr elu elv elx era erc ere erl err eru erv eu- eua euc eue eul eur euv eux eva evc eve evl evr evv ex- exa exc exe exl exr exu exx la- laa lac lae lal lar lau lav lax lca lcc lce lcl lcr lcu lcv lcx lea lec lee lel ler leu lev lex lla llc lle lll llr llu llv lra lrc lrr lru lrv lua luc lue lul lur luu luv lux lva lvc lve lvl lvr lvv lvx lxc lxr lxv lxx ra- raa rac rae ral rar rau rav rax rca rcc rce rcl rcr rcu rcv rcx re- rea rec ree rel rer reu rev rex rla rlc rle rll rlr rlu rra rrc rrl rrr rru rua ruc rue rur ruu ruv rux rva rvc rve rvl rvr rvu rvv rxr ua- uaa uac uae ual uar uau uav uca ucc uce ucl ucr ucu ucv uea uec uee uel uer ula ulc ule ull ulr ulu ulv ur- ura urc ure url urr uru urx uua uuc uue uur uuu uva uvc uve uvl uvu uvv uxc uxr uxu v-a v-e vaa vac vae val var vau vav vax vca vcc vce vcl vcr vcu vcx vea vec vee vel ver veu vex vl- vla vlc vle vll vlv vra vrc vre vrr vru vue vul vur vuv vva vvc vvr vvv vxa vxl vxr vxv xaa xac xal xar xau xav xcl xcr xcv xcx xee xel xer xeu xev xex xla xlr xlv xrc xrx xue xul xuv xvl xxl xxv xxx