-al -er -ol a-a a-b a-c aaa aab aac aae aal aam aao aar aau ab- aba abb abc abe abl abm abo abr abu ac- aca acb acc ace acl acm aco acr acu aea aeb aec aee ael aem aeo aer aeu al- ala alb alc ale all alm alo alr alu ama amb amc ame aml amm amo amr amu aoa aob aoc aoe aol aom aoo aor aou ar- ara arb arc are arl arm aro arr aru au- aua aub auc aue aul aum auo aur b-u baa bab bac bae bal bam bao bar bau bba bbb bbc bbe bbl bbm bbo bbr bbu bca bcb bcc bce bcl bcm bco bcr bcu be- bea beb bec bee bel bem beo ber beu bla blb blc ble bll blm blo blr blu bma bmb bmc bme bml bmm bmo bmr bmu boa bob boc boe bol bom boo bor bou bra brb bre brl brm bro brr bru bua bub buc bue bul bum buo bur buu c-- caa cab cac cae cal cam cao car cau cba cbb cbc cbe cbl cbm cbo cbr cbu cca ccb ccc cce ccl ccm cco ccr ccu ce- cea ceb cec cee cel cem ceo cer ceu cl- cla clb clc cle cll clm clo clr clu cma cmb cmc cme cml cmm cmo cmr cmu co- coa cob coc coe col com coo cor cou cra crb crc cre crl crm cro crr cru cua cub cuc cue cul cum cuo cur cuu eaa eab eac eae eal eam eao ear eau eba ebb ebc ebe ebl ebm ebo ebr ebu ec- eca ecb ecc ece ecl ecm eco ecr ecu eea eeb eec eee eel eem eeo eer ela elb elc ele ell elm elo elr elu em- ema emb emc eme eml emm emo emr emu eo- eoa eob eoc eoe eol eom eoo eor eou era erb erc ere erl erm ero err eru eu- eua eub euc eue eul eur la- laa lab lac lae lal lam lao lar lau lba lbb lbc lbe lbl lbm lbo lbr lbu lca lcb lcc lce lcl lcm lco lcr lcu lea leb lec lee lel lem leo ler leu lla llb llc lle lll llm llo llr llu lma lmb lmc lme lml lmm lmo lmr lmu loa lob loc loe lol lom loo lor lou lra lrb lrc lrm lro lrr lru lua lub luc lue lul lum luo lur luu m-o m-r maa mab mac mae mal mam mao mar mau mba mbb mbc mbe mbl mbm mbo mbr mbu mc- mca mcb mcc mce mcl mcm mco mcr mcu mea meb mec mee mel mem meo mer meu mla mlb mlc mle mll mlm mlo mlr mlu mma mmb mmc mme mml mmm mmo mmr mmu moa mob moc moe mol mom moo mor mou mra mrb mrc mre mrl mrm mro mrr mru mua mub muc mue mul mum mur muu oaa oab oac oae oal oam oao oar oau ob- oba obb obc obe obl obm obo obr obu oc- oca ocb occ ocl ocm oco ocr ocu oea oeb oec oee oel oem oeo oer ola olb olc ole oll olm olo olu om- oma omb omc ome oml omm omo omr omu oo- ooa oob ooc ool oom ooo oor or- ora orb orc ore orl orm oro orr oru ou- oua ouc oue oul oum ouo our ra- raa rab rac rae ral ram rao rar rau rba rbb rbc rbe rbl rbm rbo rbr rbu rca rcb rcc rce rcl rcm rco rcr rcu re- rea reb rec ree rel rem reo rer reu rla rlc rle rll rlm rlo rlr rlu rma rmb rmc rme rml rmm rmo rmr roa rob roc roe rol rom roo ror rou rra rrb rrc rrl rrm rrr rru rua rub ruc rue rum ruo rur ruu ua- uaa uab uac uae ual uam uao uar uau uba ubb ubc ube ubl ubo ubr ubu uca ucb ucc uce ucl ucm uco ucr ucu uea ueb uec uee uel uem uer ula ulb ulc ule ull ulm ulo ulr ulu um- uma umb umc ume uml umm umo umr umu uoa uob uoc uoe uol uom uoo uor ur- ura urb urc ure url urm uro urr uru uua uuc uue uum uur uuu

a-be aaaa aaab aaac aaae aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aace aacl aacm aaco aacr aacu aaea aaec aaem aala aalc aale aall aalo aalu aama aamb aamc aame aamo aamr aaoe aaoo aara aarc aare aarm aaro aaru abaa abab abac abae abal abam abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcl abcr abec abee abel aber abla able ablo abma abmb abmc aboa abob abol aboo abor abou abra abrc abro abua abue abul abum acaa acab acac acae acar acba acbl acca accc acce accm acco accu ace- acea acec acel acem acer acla aclc acle aclr aclu acma acmc acme acmu acoa acoe acol acom acor acou acr- acra acrc acre acrm acro acrr acu- acue acul acum acuo acur aeac aecb aecl aeer aela aelc aeom aer- aera aerc aero alaa alac alae alal alam alao alar alau alb- alba albc albe albm albo albu alca alcc alce alco alea alec alee alem aleo aler aleu all- alla alle alll allo allr allu alma almc alme almo almu aloa aloc aloe alol alom aloo alor alou alro alua alum alur amaa amac amae amal amam amar amb- amba ambe ambo ambr ambu amca amcc amco amec amee amel amer ameu amla amm- amma amme ammo ammu amob amoc amol amoo amor amou amra amrc amrl amro amua amul amum amur aoba aoca aoce aoeu aola aole aoma aora aorb aoul arab arac arae aral aram arar arau arba arbe arc- arca arce arcm arco area arec aree arel