-al -ol a-a a-b a-i a-t aaa aab aag aai aal aan aao aar aat ab- aba abb abg abi abl abn abo abr abt ag- aga agb agg agi agl agn ago agr agt ai- aia aib aig aii ail ain aio air ait al- ala alb alg ali all aln alo alr alt an- ana anb ang ani anl ann ano anr ant aoa aob aog aoi aol aon aoo aor aot ar- ara arb arg ari arl arn aro arr art at- ata atb atg ati atl atn ato atr att baa bab bag bai bal ban bao bar bat bba bbb bbg bbi bbl bbn bbo bbr bbt bga bgb bgg bgi bgl bgn bgo bgr bgt bi- bia bib big bii bil bin bio bir bit bla blb blg bli bll bln blo blr blt bna bnb bng bni bnl bnn bno bnr bnt boa bob bog boi bol bon boo bor bot bra brb brg bri brl brn bro brr brt bta btb btg bti btl btn bto btr btt gaa gab gag gai gal gan gao gar gat gba gbg gbi gbl gbn gbo gbr gbt gga ggb ggg ggi ggn ggo ggr ggt gia gib gig gii gil gin gio gir git gla glb glg gli gll gln glo glr glt gna gnb gni gnl gnn gno gnr gnt goa gob gog goi gol gon goo gor got gra grb grg gri grl grn gro grr grt gta gtb gtg gti gtl gtn gto gtr gtt ia- iaa iab iag iai ial ian iao iar iat iba ibb ibg ibi ibl ibn ibo ibr ibt iga igb igg igi igl ign igo igr igt iia iib iii iil iin iio iir iit il- ila ilb ilg ili ill iln ilo ilr ilt in- ina inb ing ini inl inn ino inr int io- ioa iob iog ioi iol ion ioo ior iot ir- ira irb irg iri irl irn iro irr irt ita itb itg iti itl itn ito itt la- laa lab lag lai lal lan lao lar lat lba lbb lbg lbi lbl lbo lbr lbt lga lgb lgg lgi lgl lgn lgo lgr lgt lia lib lig lii lil lin lio lir lit lla llb llg lli lll lln llo llr llt lna lnb lng lni lnl lnn lno lnr lnt loa lob log loi lol lon loo lor lot lra lrb lrg lri lrn lro lrr lrt lta ltb ltg lti ltl lto ltr ltt n-i naa nab nag nai nal nan nao nar nat nba nbb nbg nbi nbl nbn nbo nbr nbt nga ngb ngg ngi ngl ngn ngo ngt nia nib nig nii nil nin nio nir nit nla nlb nlg nli nll nln nlo nlr nlt nna nnb nng nni nnl nnn nno nnt no- noa nob nog noi nol non noo nor not nra nrb nrg nri nrl nrn nro nrr nrt nta ntb ntg nti ntn nto ntr ntt o-i oaa oab oag oai oal oan oao oar oat ob- oba obb obg obi obl obn obo obr obt oga ogg ogi ogl ogn ogo ogt oia oib oii oil oin oio oir oit ola olb olg oli oll oln olo olt on- ona onb ong oni onl onn ono onr ont oo- ooa oob oog ooi ool oon ooo oor oot or- ora orb org ori orl orn oro orr ort ot- ota otb otg oti otl otn oto otr ott ra- raa rab rag rai ral ran rao rar rat rba rbb rbg rbi rbl rbn rbo rbr rbt rga rgb rgg rgi rgn rgo rgr rgt ria rib rig rii ril rin rio rir rit rla rlg rli rll rln rlo rlr rlt rna rnb rng rni rnn rno rnr rnt roa rob rog roi rol ron roo ror rot rra rrb rrg rri rrl rrn rrr rrt rta rtb rtg rti rtl rtn rto rtr rtt taa tab tag tai tal tan tao tar tat tba tbb tbg tbi tbl tbn tbo tbr tbt tga tgb tgg tgi tgl tgn tgo tgr tgt tia tib tig tii til tin tio tir tit tla tlg tli tll tln tlo tlr tlt tna tnb tng tni tnl tnn tno tnr tnt to- toa tob tog toi tol ton too tor tot tra trb trg tri trl trn tro trr trt tta ttb ttg tti ttl ttn tto ttr ttt