-al -ol a-a a-b a-i aaa aab aae aag aai aal aao ab- aba abb abe abg abi abl abo aea aeb aee aeg aei ael aeo ag- aga agb age agg agi agl ago ai- aia aib aie aig aii ail aio al- ala alb ale alg ali all alo aoa aob aoe aog aoi aol aoo baa bab bae bag bai bal bao bba bbb bbe bbg bbi bbl bbo be- bea beb bee beg bei bel beo bga bgb bge bgg bgi bgl bgo bi- bia bib bie big bii bil bio bla blb ble blg bli bll blo boa bob boe bog boi bol boo eaa eab eae eag eai eal eao eba ebb ebe ebg ebi ebl ebo eea eeb eee eeg eel eeo ega egb ege egg egi egl ego eia eib eie eig eii eil eio ela elb ele elg eli ell elo eo- eoa eob eoe eog eoi eol eoo gaa gab gae gag gai gal gao gba gbe gbg gbi gbl gbo ge- gea geb gee geg gei gel geo gga ggb ggg ggi ggo gia gib gie gig gii gil gio gla glb gle glg gli gll glo goa gob goe gog goi gol goo ia- iaa iab iae iag iai ial iao iba ibb ibe ibg ibi ibl ibo ie- iea iee ieg iei iel iga igb ige igg igi igl igo iia iib iie iii iil iio il- ila ilb ile ilg ili ill ilo io- ioa iob ioe iog ioi iol ioo la- laa lab lae lag lai lal lao lba lbb lbe lbg lbi lbl lbo lea leb lee leg lei lel leo lga lgb lge lgg lgi lgl lgo lia lib lie lig lii lil lio lla llb lle llg lli lll llo loa lob loe log loi lol loo o-i oaa oab oae oag oai oal oao ob- oba obb obe obg obi obl obo oea oeb oee oeg oei oel oeo oga oge ogg ogi ogl ogo oia oib oie oii oil oio ola olb ole olg oli oll olo oo- ooa oob oog ooi ool ooo