-al -ol a-a a-b a-i aaa aab aag aai aak aal aao aar ab- aba abb abg abi abk abl abo abr ag- aga agb agg agi agk agl ago agr ai- aia aib aig aii aik ail aio air aka akb akg aki akk akl ako akr al- ala alb alg ali alk all alo alr aoa aob aog aoi aok aol aoo aor ar- ara arb arg ari ark arl aro arr baa bab bag bai bak bal bao bar bba bbb bbg bbi bbk bbl bbo bbr bga bgb bgg bgi bgk bgl bgo bgr bi- bia bib big bii bik bil bio bir bka bkb bkg bkk bkl bko bkr bla blb blg bli blk bll blo blr boa bob bog boi bok bol boo bor bra brb brg bri brk brl bro brr gaa gab gag gai gak gal gao gar gba gbg gbi gbk gbl gbo gbr gga ggb ggg ggi ggo ggr gia gib gig gii gik gil gio gir gka gkb gko gla glb glg gli glk gll glo glr goa gob gog goi gok gol goo gor gra grb grg gri grk grl gro grr ia- iaa iab iag iai ial iao iar iba ibb ibg ibi ibk ibl ibo ibr iga igb igg igi igk igl igo igr iia iib iii iil iio iir ika ikb iki ikk ikl iko ikr il- ila ilb ilg ili ilk ill ilo ilr io- ioa iob iog ioi iol ioo ior ir- ira irb irg iri irk irl iro irr ka- kaa kab kag kai kak kal kao kar kba kbb kbi kbk kbl kbo kbr kga kgb kgi kgl kgo kia kib kig kii kik kil kio kir kkb kki kkk kkl kkr kl- kla klb klg kli klo klr koa kob kog koi kok kol koo kor kra krg kri krk krl kro krr la- laa lab lag lai lak lal lao lar lba lbb lbg lbi lbk lbl lbo lbr lga lgb lgg lgi lgk lgl lgo lgr lia lib lig lii lik lil lio lir lka lkb lkg lkl lkr lla llb llg lli llk lll llo llr loa lob log loi lok lol loo lor lra lrb lrg lri lrk lro lrr o-i oaa oab oag oai oak oal oao oar ob- oba obb obg obi obk obl obo obr oga ogg ogi ogl ogo oia oib oii oik oil oio oir oka okb okg oki okk okl oko okr ola olb olg oli olk oll olo oo- ooa oob oog ooi ook ool ooo oor or- ora orb org ori ork orl oro orr ra- raa rab rag rai rak ral rao rar rba rbb rbg rbi rbk rbl rbo rbr rga rgb rgg rgi rgk rgo rgr ria rib rig rii rik ril rio rir rkb rkg rkk rko rla rlg rli rll rlo rlr roa rob rog roi rok rol roo ror rra rrb rrg rri rrk rrl rrr