-al a-a a-b a-i a-t aaa aab aai aal aan aar aat aau ab- aba abb abi abl abn abr abt abu ai- aia aib aii ail ain air ait aiu al- ala alb ali all aln alr alt alu an- ana anb ani anl ann anr ant anu ar- ara arb ari arl arn arr art aru at- ata atb ati atl atn atr att atu au- aua aub aui aul aun aur aut b-u baa bab bai bal ban bar bat bau bba bbb bbi bbl bbn bbr bbt bbu bi- bia bib bii bil bin bir bit biu bla blb bli bll bln blr blt blu bna bnb bni bnl bnn bnr bnt bnu bra brb bri brl brn brr brt bru bta btb bti btl btn btr btt btu bua bub bui bul bun bur but buu ia- iaa iab iai ial ian iar iat iau iba ibb ibi ibl ibn ibr ibt ibu iia iib iii iil iin iir iit iiu il- ila ilb ili ill iln ilr ilt ilu in- ina inb ini inl inn inr int inu ir- ira irb iri irl irn irr irt iru ita itb iti itl itn itt itu iu- iua iub iui iur iut la- laa lab lai lal lan lar lat lau lba lbb lbi lbl lbr lbt lbu lia lib lii lil lin lir lit liu lla llb lli lll lln llr llt llu lna lnb lni lnl lnn lnr lnt lnu lra lrb lri lrn lrr lrt lru lta ltb lti ltl ltr ltt ltu lua lub lui lul lun lur lut luu n-i naa nab nai nal nan nar nat nau nba nbb nbi nbl nbn nbr nbt nbu nia nib nii nil nin nir nit niu nla nlb nli nll nln nlr nlt nlu nna nnb nni nnl nnn nnt nnu nra nrb nri nrl nrn nrr nrt nru nta ntb nti ntn ntr ntt ntu nua nub nui nul nun nur nut nuu ra- raa rab rai ral ran rar rat rau rba rbb rbi rbl rbn rbr rbt rbu ria rib rii ril rin rir rit rla rli rll rln rlr rlt rlu rna rnb rni rnn rnr rnt rnu rra rrb rri rrl rrn rrr rrt rru rta rtb rti rtl rtn rtr rtt rtu rua rub rui run rur rut ruu taa tab tai tal tan tar tat tau tba tbb tbi tbl tbn tbr tbt tbu tia tib tii til tin tir tit tiu tla tli tll tln tlr tlt tlu tna tnb tni tnl tnn tnr tnt tra trb tri trl trn trr trt tru tta ttb tti ttl ttn ttr ttt ttu tua tub tui tul tun tur tut tuu ua- uaa uab uai ual uan uar uat uau uba ubb ubi ubl ubn ubr ubt ubu uia uib uii uil uin uir uit uiu ula ulb uli ull uln ulr ult ulu un- una unb uni unl unn unr unt unu ur- ura urb uri url urn urr urt uru uta utb uti utl utn utr utt utu uua uun uur uut uuu