-al a-a a-b a-c aaa aab aac aad aae aah aak aal aau ab- aba abb abc abd abe abh abk abl abu ac- aca acb acc acd ace ach ack acl acu ad- ada adb adc add ade adh adk adl adu aea aeb aec aed aee aeh aek ael aeu aha ahb ahc ahd ahe ahh ahk ahl ahu aka akb akc akd ake akh akk akl aku al- ala alb alc ald ale alh alk all alu au- aua aub auc aud aue auh auk aul b-u baa bab bac bad bae bah bak bal bau bba bbb bbc bbd bbe bbh bbk bbl bbu bca bcb bcc bcd bce bch bck bcl bcu bda bdb bdc bdd bde bdh bdk bdl bdu be- bea beb bec bed bee beh bek bel beu bha bhb bhc bhd bhe bhh bhk bhl bhu bka bkb bkc bke bkk bkl bla blb blc bld ble blh blk bll blu bua bub buc bud bue buh buk bul buu c-- caa cab cac cad cae cah cak cal cau cba cbb cbc cbd cbe cbh cbk cbl cbu cca ccb ccc ccd cce cch cck ccl ccu cda cdb cdc cdd cde cdh cdk cdl cdu ce- cea ceb cec ced cee ceh cek cel ceu ch- cha chb chc chd che chh chk chl chu cka ckb ckc ckd ckh cl- cla clb clc cld cle clh clk cll clu cua cub cuc cud cue cuh cuk cul cuu daa dab dac dad dae dah dak dal dau dba dbb dbc dbd dbe dbh dbk dbl dbu dca dcb dcc dcd dce dck dcl dcu dda ddb ddc ddd dde ddh ddk ddl ddu de- dea deb dec ded dee deh dek del deu dh- dha dhb dhc dhd dhe dhh dhk dhl dhu dka dkb dkc dke dkk dkl dku dl- dla dlb dlc dld dle dlh dlk dll dlu dua dub duc dud due duh duk dul eaa eab eac ead eae eah eak eal eau eba ebb ebc ebd ebe ebh ebk ebl ebu ec- eca ecb ecc ecd ece ech eck ecl ecu ed- eda edb edc edd ede edh edk edl edu eea eeb eec eed eee eek eel eha ehb ehc ehd ehe ehh ehl ehu eka ekb ekc ekd eke ekh ekl eku ela elb elc eld ele elh elk ell elu eu- eua eub euc eud eue eul haa hab hac had hae hah hak hal hau hba hbb hbc hbd hbe hbh hbk hbl hbu hca hcb hcc hcd hce hch hck hcl hda hdb hdc hdd hde hdh hdk hdl hdu he- hea heb hec hed hee heh hek hel heu hha hhb hhc hhd hhe hhh hhk hhl hhu hka hkb hkd hkh hkk hkl hku hla hlb hlc hld hle hlh hll hlu hua hub huc hud hue huh huk hul huu ka- kaa kab kac kad kae kah kak kal kau kba kbb kbc kbd kbe kbh kbk kbl kbu kca kcb kcc kcd kce kch kck kcl kcu kda kdb kdc kde kdh kdk kdl kdu ke- kea keb kec ked kee keh kek kel kha khe khh khk khu kkb kkc kke kkh kkk kkl kku kl- kla klb klc kld klh klu kub kuc kud kue kuh kuk kul kuu la- laa lab lac lad lae lah lak lal lau lba lbb lbc lbd lbe lbh lbk lbl lbu lca lcb lcc lcd lce lch lck lcl lcu lda ldb ldc ldd lde ldh ldk ldl ldu lea leb lec led lee leh lek lel leu lha lhb lhc lhd lhh lhk lhu lka lkb lkh lkl lla llb llc lld lle llk lll llu lua lub luc lud lue luh luk lul luu ua- uaa uab uac uad uae uah uak ual uau uba ubb ubc ube ubh ubk ubl ubu uca ucb ucc ucd uce uch uck ucl ucu uda udb udc udd ude udk udl udu uea ueb uec ued uee ueh uel uha uhb uhc uhd uhe uhh uhl uhu uka ukb ukc uke ukk ukl uku ula ulb ulc uld ule ulk ull ulu uua uuc uue uuu