-al -er -ol a-a a-b aaa aab aae aal aam aao aar aau aax ab- aba abb abe abl abm abo abr abu abx aea aeb aee ael aem aeo aer aeu aex al- ala alb ale all alm alo alr alu alx ama amb ame aml amm amo amr amu amx aoa aob aoe aol aom aoo aor aou aox ar- ara arb are arl arm aro arr aru arx au- aua aub aue aul aum auo aur aux ax- axa axe axl axm axo axr axx b-u baa bab bae bal bam bao bar bau bax bba bbb bbe bbl bbm bbo bbr bbu bbx be- bea beb bee bel bem beo ber beu bex bla blb ble bll blm blo blr blu blx bma bmb bme bml bmm bmo bmr bmu bmx boa bob boe bol bom boo bor bou box bra brb bre brl brm bro brr bru brx bua bub bue bul bum buo bur buu bux bxb bxl bxm bxo bxx eaa eab eae eal eam eao ear eau eax eba ebb ebe ebl ebm ebo ebr ebu ebx eea eeb eee eel eem eeo eer eex ela elb ele ell elm elo elr elu elx em- ema emb eme eml emm emo emr emu emx eo- eoa eob eoe eol eom eoo eor eou era erb ere erl erm ero err eru eu- eua eub eue eul eur eux ex- exa exe exl exo exr exu exx la- laa lab lae lal lam lao lar lau lax lba lbb lbe lbl lbm lbo lbr lbu lbx lea leb lee lel lem leo ler leu lex lla llb lle lll llm llo llr llu lma lmb lme lml lmm lmo lmr lmu loa lob loe lol lom loo lor lou lox lra lrb lrm lro lrr lru lua lub lue lul lum luo lur luu lux lxo lxr lxx m-o m-r maa mab mae mal mam mao mar mau max mba mbb mbe mbl mbm mbo mbr mbu mbx mea meb mee mel mem meo mer meu mex mla mlb mle mll mlm mlo mlr mlu mlx mma mmb mme mml mmm mmo mmr mmu mmx moa mob moe mol mom moo mor mou mox mra mrb mre mrl mrm mro mrr mru mrx mua mub mue mul mum mur muu mux mxa mxl mxr mxu oaa oab oae oal oam oao oar oau oax ob- oba obb obe obl obm obo obr obu obx oea oeb oee oel oem oeo oer oex ola olb ole oll olm olo olu om- oma omb ome oml omm omo omr omu omx oo- ooa oob ool oom ooo oor oox or- ora orb ore orl orm oro orr oru orx ou- oua oue oul oum ouo our ox- oxa oxb oxo oxx ra- raa rab rae ral ram rao rar rau rax rba rbb rbe rbl rbm rbo rbr rbu rbx re- rea reb ree rel rem reo rer reu rex rla rle rll rlm rlo rlr rlu rma rmb rme rml rmm rmo rmr rmx roa rob roe rol rom roo ror rou rox rra rrb rrl rrm rrr rru rua rub rue rum ruo rur ruu rux rxr ua- uaa uab uae ual uam uao uar uau uba ubb ube ubl ubo ubr ubu ubx uea ueb uee uel uem uer ula ulb ule ull ulm ulo ulr ulu um- uma umb ume uml umm umo umr umu uoa uob uoe uol uom uoo uor uox ur- ura urb ure url urm uro urr uru urx uua uue uum uur uuu uxb uxo uxr uxu xaa xal xam xar xau xbe xbl xbr xbx xee xel xem xer xeu xex xla xlb xlm xlr xma xml xmm xmo xmr xmu xmx xoa xom xoo xor xox xrx xue xul xxl xxo xxx