-al -er a-a a-b a-c aaa aab aac aad aae aal aam aar aau ab- aba abb abc abd abe abl abm abr abu ac- aca acb acc acd ace acl acm acr acu ad- ada adb adc add ade adl adm adr adu aea aeb aec aed aee ael aem aer aeu al- ala alb alc ald ale all alm alr alu ama amb amc amd ame aml amm amr amu ar- ara arb arc ard are arl arm arr aru au- aua aub auc aud aue aul aum aur b-u baa bab bac bad bae bal bam bar bau bba bbb bbc bbd bbe bbl bbm bbr bbu bca bcb bcc bcd bce bcl bcm bcr bcu bda bdb bdc bdd bde bdl bdm bdr bdu be- bea beb bec bed bee bel bem ber beu bla blb blc bld ble bll blm blr blu bma bmb bmc bmd bme bml bmm bmr bmu bra brb brd bre brl brm brr bru bua bub buc bud bue bul bum bur buu c-- caa cab cac cad cae cal cam car cau cba cbb cbc cbd cbe cbl cbm cbr cbu cca ccb ccc ccd cce ccl ccm ccr ccu cda cdb cdc cdd cde cdl cdm cdr cdu ce- cea ceb cec ced cee cel cem cer ceu cl- cla clb clc cld cle cll clm clr clu cma cmb cmc cmd cme cml cmm cmr cmu cra crb crc crd cre crl crm crr cru cua cub cuc cud cue cul cum cur cuu daa dab dac dad dae dal dam dar dau dba dbb dbc dbd dbe dbl dbm dbr dbu dca dcb dcc dcd dce dcl dcm dcr dcu dda ddb ddc ddd dde ddl ddm ddr ddu de- dea deb dec ded dee del dem der deu dl- dla dlb dlc dld dle dll dlm dlr dlu dma dmb dmc dmd dme dml dmm dmr dmu dra drb drc drd dre drl drm drr dru dua dub duc dud due dul dum dur eaa eab eac ead eae eal eam ear eau eba ebb ebc ebd ebe ebl ebm ebr ebu ec- eca ecb ecc ecd ece ecl ecm ecr ecu ed- eda edb edc edd ede edl edm edr edu eea eeb eec eed eee eel eem eer ela elb elc eld ele ell elm elr elu em- ema emb emc emd eme eml emm emr emu era erb erc erd ere erl erm err eru eu- eua eub euc eud eue eul eur la- laa lab lac lad lae lal lam lar lau lba lbb lbc lbd lbe lbl lbm lbr lbu lca lcb lcc lcd lce lcl lcm lcr lcu lda ldb ldc ldd lde ldl ldm ldr ldu lea leb lec led lee lel lem ler leu lla llb llc lld lle lll llm llr llu lma lmb lmc lmd lme lml lmm lmr lmu lra lrb lrc lrd lrm lrr lru lua lub luc lud lue lul lum lur luu m-r maa mab mac mad mae mal mam mar mau mba mbb mbc mbd mbe mbl mbm mbr mbu mc- mca mcb mcc mcd mce mcl mcm mcr mcu mda mdb mdc mdd mde mdl mdm mdr mdu mea meb mec med mee mel mem mer meu mla mlb mlc mld mle mll mlm mlr mlu mma mmb mmc mmd mme mml mmm mmr mmu mra mrb mrc mrd mre mrl mrm mrr mru mua mub muc mud mue mul mum mur muu ra- raa rab rac rad rae ral ram rar rau rba rbb rbc rbd rbe rbl rbm rbr rbu rca rcb rcc rcd rce rcl rcm rcr rcu rda rdb rdc rdd rde rdl rdm rdr rdu re- rea reb rec red ree rel rem rer reu rla rlc rld rle rll rlm rlr rlu rma rmb rmc rmd rme rml rmm rmr rra rrb rrc rrd rrl rrm rrr rru rua rub ruc rud rue rum rur ruu ua- uaa uab uac uad uae ual uam uar uau uba ubb ubc ube ubl ubr ubu uca ucb ucc ucd uce ucl ucm ucr ucu uda udb udc udd ude udl udm udr udu uea ueb uec ued uee uel uem uer ula ulb ulc uld ule ull ulm ulr ulu um- uma umb umc umd ume uml umm umr umu ur- ura urb urc urd ure url urm urr uru uua uuc uue uum uur uuu

a-be aaaa aaab aaac aaad aaae aaal aaam aaar aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aace aacl aacm aacr aacu aada aadc aade aadu aaea aaec aaem aala aalc aald aale aall aalu aama aamb aamc aamd aame aamr aara aarc aard aare aarm aaru abaa abab abac abad abae abal abam abar abau abb- abba abbb abbe abbr abca abcb abcc abcd abcl abcr abda abdu abec abed abee abel aber abla able abma abmb abmc abra abrc abua abud abue abul abum acaa acab acac acad acae acar acba acbl acca accc accd acce accm accu acda acdb acdc acde acdm ace- acea acec aced acel acem acer acla aclc acle aclr aclu acma acmc acme acmu acr- acra acrc acre acrm acrr acu- acue acul acum acur adaa adab adac adad adae adal adam adar adba adbc adcc adda addc addd adde addl addr addu adea adeb adee adel adem ader adle adma admb adme adml admr adra adre adua adub adue adur aeac aecb aecl aede aeer aela aelc aer- aera aerc aerd alaa alac alad alae alal alam alar alau alb- alba albc albe albm albu alca alcc alce ald- alda alde aldl aldm alea alec aled alee alem aler aleu all- alla alle alll allr allu alma almc alme almu alua alum alur amaa amac amad amae amal amam amar amb- amba ambe ambr ambu amca amcc amda amec amed amee amel amer ameu amla amm- amma amme ammu amra amrc amrl amua amud amul amum amur arab arac