-al -ol a-a a-b aaa aab aad aag aal aan aao ab- aba abb abd abg abl abn abo ad- ada adb add adg adl adn ado ag- aga agb agd agg agl agn ago al- ala alb ald alg all aln alo an- ana anb and ang anl ann ano aoa aob aod aog aol aon aoo baa bab bad bag bal ban bao bba bbb bbd bbg bbl bbn bbo bda bdb bdd bdg bdl bdo bga bgb bgd bgg bgl bgn bgo bla blb bld blg bll bln blo bna bnb bnd bng bnl bnn bno boa bob bod bog bol bon boo daa dab dad dag dal dan dao dba dbb dbd dbg dbl dbn dbo dda ddb ddd ddg ddl ddn ddo dga dgd dgg dgl dgn dl- dla dlb dld dlg dll dlo dna dnb dnd dng dnl dnn dno doa dob dod dog dol don doo g-d gaa gab gad gag gal gan gao gba gbd gbg gbl gbn gbo gda gdb gdd gdl gdn gdo gga ggb ggd ggg ggn ggo gla glb gld glg gll gln glo gna gnb gnd gnl gnn gno goa gob god gog gol gon goo la- laa lab lad lag lal lan lao lba lbb lbd lbg lbl lbo lda ldb ldd ldg ldl ldn ldo lga lgb lgd lgg lgl lgn lgo lla llb lld llg lll lln llo lna lnb lnd lng lnl lnn lno loa lob lod log lol lon loo naa nab nad nag nal nan nao nba nbb nbd nbg nbl nbn nbo nda ndb ndd ndg ndl ndn ndo nga ngb ngd ngg ngl ngn ngo nla nlb nld nlg nll nln nlo nna nnb nng nnl nnn nno no- noa nob nod nog nol non noo oaa oab oad oag oal oan oao ob- oba obb obd obg obl obn obo oda odb odd odg odl odn odo oga ogd ogg ogl ogn ogo ola olb old olg oll oln olo on- ona onb ond ong onl onn ono oo- ooa oob ood oog ool oon ooo