-al -er a-a a-b a-c aaa aab aac aad aae aah aal aar aau ab- aba abb abc abd abe abh abl abr abu ac- aca acb acc acd ace ach acl acr acu ad- ada adb adc add ade adh adl adr adu aea aeb aec aed aee aeh ael aer aeu aha ahb ahc ahd ahe ahh ahl ahr ahu al- ala alb alc ald ale alh all alr alu ar- ara arb arc ard are arh arl arr aru au- aua aub auc aud aue auh aul aur b-u baa bab bac bad bae bah bal bar bau bba bbb bbc bbd bbe bbh bbl bbr bbu bca bcb bcc bcd bce bch bcl bcr bcu bda bdb bdc bdd bde bdh bdl bdr bdu be- bea beb bec bed bee beh bel ber beu bha bhb bhc bhd bhe bhh bhl bhr bhu bla blb blc bld ble blh bll blr blu bra brb brd bre brh brl brr bru bua bub buc bud bue buh bul bur buu c-- caa cab cac cad cae cah cal car cau cba cbb cbc cbd cbe cbh cbl cbr cbu cca ccb ccc ccd cce cch ccl ccr ccu cda cdb cdc cdd cde cdh cdl cdr cdu ce- cea ceb cec ced cee ceh cel cer ceu ch- cha chb chc chd che chh chl chr chu cl- cla clb clc cld cle clh cll clr clu cra crb crc crd cre crh crl crr cru cua cub cuc cud cue cuh cul cur cuu daa dab dac dad dae dah dal dar dau dba dbb dbc dbd dbe dbh dbl dbr dbu dca dcb dcc dcd dce dcl dcr dcu dda ddb ddc ddd dde ddh ddl ddr ddu de- dea deb dec ded dee deh del der deu dh- dha dhb dhc dhd dhe dhh dhl dhr dhu dl- dla dlb dlc dld dle dlh dll dlr dlu dra drb drc drd dre drl drr dru dua dub duc dud due duh dul dur eaa eab eac ead eae eah eal ear eau eba ebb ebc ebd ebe ebh ebl ebr ebu ec- eca ecb ecc ecd ece ech ecl ecr ecu ed- eda edb edc edd ede edh edl edr edu eea eeb eec eed eee eel eer eha ehb ehc ehd ehe ehh ehl ehr ehu ela elb elc eld ele elh ell elr elu era erb erc erd ere erh erl err eru eu- eua eub euc eud eue eul eur haa hab hac had hae hah hal har hau hba hbb hbc hbd hbe hbh hbl hbr hbu hca hcb hcc hcd hce hch hcl hcr hda hdb hdc hdd hde hdh hdl hdr hdu he- hea heb hec hed hee heh hel her heu hha hhb hhc hhd hhe hhh hhl hhr hhu hla hlb hlc hld hle hlh hll hlr hlu hr- hra hrb hrc hrd hre hrh hrl hrr hru hua hub huc hud hue huh hul hur huu la- laa lab lac lad lae lah lal lar lau lba lbb lbc lbd lbe lbh lbl lbr lbu lca lcb lcc lcd lce lch lcl lcr lcu lda ldb ldc ldd lde ldh ldl ldr ldu lea leb lec led lee leh lel ler leu lha lhb lhc lhd lhh lhr lhu lla llb llc lld lle lll llr llu lra lrb lrc lrd lrh lrr lru lua lub luc lud lue luh lul lur luu ra- raa rab rac rad rae rah ral rar rau rba rbb rbc rbd rbe rbh rbl rbr rbu rca rcb rcc rcd rce rch rcl rcr rcu rda rdb rdc rdd rde rdh rdl rdr rdu re- rea reb rec red ree reh rel rer reu rh- rha rhb rhc rhd rhe rhh rhl rhr rhu rla rlc rld rle rlh rll rlr rlu rra rrb rrc rrd rrh rrl rrr rru rua rub ruc rud rue ruh rur ruu ua- uaa uab uac uad uae uah ual uar uau uba ubb ubc ube ubh ubl ubr ubu uca ucb ucc ucd uce uch ucl ucr ucu uda udb udc udd ude udl udr udu uea ueb uec ued uee ueh uel uer uha uhb uhc uhd uhe uhh uhl uhr uhu ula ulb ulc uld ule ull ulr ulu ur- ura urb urc urd ure url urr uru uua uuc uue uur uuu

a-be a-ha aaaa aaab aaac aaad aaae aaah aaal aaar aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aace aach aacl aacr aacu aada aadc aade aadu aaea aaec aaha aahl aala aalc aald aale aall aalu aara aarc aard aare aaru abaa abab abac abad abae abal abar abau abb- abba abbb abbe abbr abca abcb abcc abcd abch abcl abcr abda abdu abec abed abee abel aber abha abhr abla able abra abrc abua abud abue abul acaa acab acac acad acae acar acba acbl acca accc accd acce acch accu acda acdb acdc acde ace- acea acec aced aceh acel acer acha ache achh achl achr achu acla aclc acle aclr aclu acr- acra acrc acre acrr acu- acue acul acur adaa adab adac adad adae adah adal adar adba adbc adcc adda addc addd adde addl addr addu adea adeb adee adeh adel ader adha adhd adhu adle adra adre adua adub adue adur aeac aecb aecl aede aeer aela aelc aer- aera aerc aerd ahab ahac ahad ahah ahal ahar ahau ahdl ahed ahel ahha ahla ahle ahlu ahra ahrc ahre ahrr ahua alaa alac alad alae alal alar alau alb- alba albc albe albu alca alcc alce ald- alda alde aldl alea alec aled alee aleh aler aleu alha all- alla alle allh alll allr allu alua alur arab arac arad arae arah aral arar arau arba arbe arbh arc- arca arce arch arda ardc arde ardl ardu area arec ared aree areh arel areu arh- arla arle arr- arra arrc arre arrh arrr arru arua arub arud arue