a-a a-b a-z aaa aab aad aah aas aau aaz ab- aba abb abd abh abs abu abz ad- ada adb add adh ads adu adz aha ahb ahd ahh ahs ahu ahz as- asa asb asd ash ass asu asz au- aua aub aud auh aus auz az- aza azb azd azs azu azz b-u baa bab bad bah bas bau baz bba bbb bbd bbh bbs bbu bda bdb bdd bdh bds bdu bdz bha bhb bhd bhh bhs bhu bsa bsb bsd bsh bss bsu bua bub bud buh bus buu buz bza bzd bzh bzs bzu bzz daa dab dad dah das dau daz dba dbb dbd dbh dbs dbu dbz dda ddb ddd ddh dds ddu ddz dh- dha dhb dhd dhh dhs dhu dsa dsb dsd dsh dss dsu dsz dua dub dud duh dus duz dza dzb dzd dzs dzu haa hab had hah has hau haz hba hbb hbd hbh hbs hbu hbz hda hdb hdd hdh hds hdu hdz hha hhb hhd hhh hhs hhu hhz hsa hsb hsd hsh hss hsu hsz hua hub hud huh hus huu huz hzd hzs saa sab sad sah sas sau saz sba sbb sbd sbh sbs sbu sda sdb sdd sdh sds sdu sdz sh- sha shb shd shh shs shu ss- ssa ssb ssd ssh sss ssu ssz sua sub sud suh sus suu suz sza szd szu ua- uaa uab uad uah uas uau uaz uba ubb ubh ubs ubu uda udb udd uds udu uha uhb uhd uhh uhs uhu usa usb usd ush uss usu usz uua uus uuu uza uzb uzh uzu zaa zab zad zah zas zaz zbb zbs zds zha zhs zhu zsa zsh zsu zsz zub zud zus zuz zzs zzz