-al -ol a-a a-b a-i a-z aaa aab aai aak aal aao aaz ab- aba abb abi abk abl abo abz ai- aia aib aii aik ail aio aiz aka akb aki akk akl ako al- ala alb ali alk all alo alz aoa aob aoi aok aol aoo az- aza azb azi azo azz baa bab bai bak bal bao baz bba bbb bbi bbk bbl bbo bi- bia bib bii bik bil bio biz bka bkb bkk bkl bko bla blb bli blk bll blo blz boa bob boi bok bol boo boz bza bzo bzz ia- iaa iab iai ial iao iaz iba ibb ibi ibk ibl ibo ibz iia iib iii iil iio ika ikb iki ikk ikl iko il- ila ilb ili ilk ill ilo ilz io- ioa iob ioi iol ioo iza izi izo izz k-z ka- kaa kab kai kak kal kao kaz kba kbb kbi kbk kbl kbo kbz kia kib kii kik kil kio kiz kkb kki kkk kkl kl- kla klb kli klo klz koa kob koi kok kol koo koz kzo la- laa lab lai lak lal lao laz lba lbb lbi lbk lbl lbo lia lib lii lik lil lio liz lka lkb lkl lla llb lli llk lll llo llz loa lob loi lok lol loo loz lzi lzo o-i oaa oab oai oak oal oao ob- oba obb obi obk obl obo oia oib oii oik oil oio oiz oka okb oki okk okl oko ola olb oli olk oll olo oo- ooa oob ooi ook ool ooo oza ozo ozz zaa zab zai zak zao zaz zbb zbl zia zib zik zil zio ziz zka zla zo- zoa zob zoi zok zol zoo zzz