-al a-a a-b aaa aab aad aah aal aar aau ab- aba abb abd abh abl abr abu ad- ada adb add adh adl adr adu aha ahb ahd ahh ahl ahr ahu al- ala alb ald alh all alr alu ar- ara arb ard arh arl arr aru au- aua aub aud auh aul aur b-u baa bab bad bah bal bar bau bba bbb bbd bbh bbl bbr bbu bda bdb bdd bdh bdl bdr bdu bha bhb bhd bhh bhl bhr bhu bla blb bld blh bll blr blu bra brb brd brh brl brr bru bua bub bud buh bul bur buu daa dab dad dah dal dar dau dba dbb dbd dbh dbl dbr dbu dda ddb ddd ddh ddl ddr ddu dh- dha dhb dhd dhh dhl dhr dhu dl- dla dlb dld dlh dll dlr dlu dra drb drd drl drr dru dua dub dud duh dul dur haa hab had hah hal har hau hba hbb hbd hbh hbl hbr hbu hda hdb hdd hdh hdl hdr hdu hha hhb hhd hhh hhl hhr hhu hla hlb hld hlh hll hlr hlu hr- hra hrb hrd hrh hrl hrr hru hua hub hud huh hul hur huu la- laa lab lad lah lal lar lau lba lbb lbd lbh lbl lbr lbu lda ldb ldd ldh ldl ldr ldu lha lhb lhd lhh lhr lhu lla llb lld lll llr llu lra lrb lrd lrh lrr lru lua lub lud luh lul lur luu ra- raa rab rad rah ral rar rau rba rbb rbd rbh rbl rbr rbu rda rdb rdd rdh rdl rdr rdu rh- rha rhb rhd rhh rhl rhr rhu rla rld rlh rll rlr rlu rra rrb rrd rrh rrl rrr rru rua rub rud ruh rur ruu ua- uaa uab uad uah ual uar uau uba ubb ubh ubl ubr ubu uda udb udd udl udr udu uha uhb uhd uhh uhl uhr uhu ula ulb uld ull ulr ulu ur- ura urb urd url urr uru uua uur uuu