-al -er a-a a-b a-c aaa aab aac aae aal aam aar aau ab- aba abb abc abe abl abm abr abu ac- aca acb acc ace acl acm acr acu aea aeb aec aee ael aem aer aeu al- ala alb alc ale all alm alr alu ama amb amc ame aml amm amr amu ar- ara arb arc are arl arm arr aru au- aua aub auc aue aul aum aur b-u baa bab bac bae bal bam bar bau bba bbb bbc bbe bbl bbm bbr bbu bca bcb bcc bce bcl bcm bcr bcu be- bea beb bec bee bel bem ber beu bla blb blc ble bll blm blr blu bma bmb bmc bme bml bmm bmr bmu bra brb bre brl brm brr bru bua bub buc bue bul bum bur buu c-- caa cab cac cae cal cam car cau cba cbb cbc cbe cbl cbm cbr cbu cca ccb ccc cce ccl ccm ccr ccu ce- cea ceb cec cee cel cem cer ceu cl- cla clb clc cle cll clm clr clu cma cmb cmc cme cml cmm cmr cmu cra crb crc cre crl crm crr cru cua cub cuc cue cul cum cur cuu eaa eab eac eae eal eam ear eau eba ebb ebc ebe ebl ebm ebr ebu ec- eca ecb ecc ece ecl ecm ecr ecu eea eeb eec eee eel eem eer ela elb elc ele ell elm elr elu em- ema emb emc eme eml emm emr emu era erb erc ere erl erm err eru eu- eua eub euc eue eul eur la- laa lab lac lae lal lam lar lau lba lbb lbc lbe lbl lbm lbr lbu lca lcb lcc lce lcl lcm lcr lcu lea leb lec lee lel lem ler leu lla llb llc lle lll llm llr llu lma lmb lmc lme lml lmm lmr lmu lra lrb lrc lrm lrr lru lua lub luc lue lul lum lur luu m-r maa mab mac mae mal mam mar mau mba mbb mbc mbe mbl mbm mbr mbu mc- mca mcb mcc mce mcl mcm mcr mcu mea meb mec mee mel mem mer meu mla mlb mlc mle mll mlm mlr mlu mma mmb mmc mme mml mmm mmr mmu mra mrb mrc mre mrl mrm mrr mru mua mub muc mue mul mum mur muu ra- raa rab rac rae ral ram rar rau rba rbb rbc rbe rbl rbm rbr rbu rca rcb rcc rce rcl rcm rcr rcu re- rea reb rec ree rel rem rer reu rla rlc rle rll rlm rlr rlu rma rmb rmc rme rml rmm rmr rra rrb rrc rrl rrm rrr rru rua rub ruc rue rum rur ruu ua- uaa uab uac uae ual uam uar uau uba ubb ubc ube ubl ubr ubu uca ucb ucc uce ucl ucm ucr ucu uea ueb uec uee uel uem uer ula ulb ulc ule ull ulm ulr ulu um- uma umb umc ume uml umm umr umu ur- ura urb urc ure url urm 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 aacr aacu aaea aaec aaem aala aalc aale aall aalu aama aamb aamc aame aamr aara aarc aare aarm aaru abaa abab abac abae abal abam abar abau abb- abba abbb abbe abbr abca abcb abcc abcl abcr abec abee abel aber abla able abma abmb abmc abra abrc abua abue abul abum acaa acab acac acae acar acba acbl acca accc acce accm accu ace- acea acec acel acem acer acla aclc acle aclr aclu acma acmc acme acmu acr- acra acrc acre acrm acrr acu- acue acul acum acur aeac aecb aecl aeer aela aelc aer- aera aerc alaa alac alae alal alam alar alau alb- alba albc albe albm albu alca alcc alce alea alec alee alem aler aleu all- alla alle alll allr allu alma almc alme almu alua alum alur amaa amac amae amal amam amar amb- amba ambe ambr ambu amca amcc amec amee amel amer ameu amla amm- amma amme ammu amra amrc amrl amua amul amum amur arab arac arae aral aram arar arau arba arbe arc- arca arce arcm area arec aree arel arem areu arla arle arma armc arme arml armm armu arr- arra arrc arre arrr arru arua arub arue arul arum auaa aube auca auce auel auer aul- aula aule aull aulu auma aur- aura aure baaa baal baam baar baba babb babe babm babr babu bac- baca bacc bace bael baer bala balc bale ball balm balu bama bamb bamc bame baml bamm bamu bar- bara barb barc bare barm barr baru bau- baul baum baur bbau bbbb bbcm bbeb bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcec bcer bcma bcra bcru bcuc beal beam bear beau beba bebb bebe beca becu beeb beel beem beer bela bele bell belm belu bema beme bemu bera berc bere berm berr beru beur blaa blab blac blae blam blau blcu blea bleb blee blem bleu blme blrc blub blue blum blur bmaa bmce brab brac brae bram brau brca brcb brce brea breb brec bree brel brem brer brmc brrm brrr bruc brue brum bual buar buba bubb bube bubu buca bucc buce bucu buea buel buem buer bueu bula bulb bule bull bulu bum- buma bumb bur- bura burb bure burl burm burr buru caaa caab caac caal caam caba cabe cabu cac- caca cacc cace cacm cacr caec caem caer caeu cala calc cale call calm calu cama camb camc came caml camm cara carb carc care carl carm carr cauc caul caum cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcm cbcr cbcu cbea cbec cbee cber cblb cblc cbme cbre cbrl cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccl cccm cccu ccee ccel ccla cclc cclm