-al a-a a-b a-i a-t a-z aaa aab aai aal aar aat aaz ab- aba abb abi abl abr abt abz ai- aia aib aii ail air ait aiz al- ala alb ali all alr alt alz ar- ara arb ari arl arr art arz at- ata atb ati atl atr att atz az- aza azb azi azt azz baa bab bai bal bar bat baz bba bbb bbi bbl bbr bbt bi- bia bib bii bil bir bit biz bla blb bli bll blr blt blz bra brb bri brl brr brt brz bta btb bti btl btr btt btz bza bzr bzz ia- iaa iab iai ial iar iat iaz iba ibb ibi ibl ibr ibt ibz iia iib iii iil iir iit il- ila ilb ili ill ilr ilt ilz ir- ira irb iri irl irr irt ita itb iti itl itt itz iza izi izz la- laa lab lai lal lar lat laz lba lbb lbi lbl lbr lbt lia lib lii lil lir lit liz lla llb lli lll llr llt llz lra lrb lri lrr lrt lrz lta ltb lti ltl ltr ltt ltz lzi lzr ra- raa rab rai ral rar rat raz rba rbb rbi rbl rbr rbt ria rib rii ril rir rit riz rla rli rll rlr rlt rra rrb rri rrl rrr rrt rta rtb rti rtl rtr rtt rtz rza rzb taa tab tai tal tar tat taz tba tbb tbi tbl tbr tbt tbz tia tib tii til tir tit tiz tla tli tll tlr tlt tlz tra trb tri trl trr trt trz tta ttb tti ttl ttr ttt tza zaa zab zai zar zat zaz zbb zbl zbr zbt zia zib zil zir zit ziz zla zlr zlt zrl zta ztl ztr zzr zzt zzz