-al -ol a-a a-b a-i aaa aab aag aai aal aan aao aap aar ab- aba abb abg abi abl abn abo abp abr ag- aga agb agg agi agl agn ago agp agr ai- aia aib aig aii ail ain aio aip air al- ala alb alg ali all aln alo alp alr an- ana anb ang ani anl ann ano anp anr aoa aob aog aoi aol aon aoo aop aor ap- apa apb apg api apl apn apo app apr ar- ara arb arg ari arl arn aro arp arr b-p baa bab bag bai bal ban bao bap bar bba bbb bbg bbi bbl bbn bbo bbp bbr bga bgb bgg bgi bgl bgn bgo bgp bgr bi- bia bib big bii bil bin bio bip bir bla blb blg bli bll bln blo blp blr bna bnb bng bni bnl bnn bno bnp bnr boa bob bog boi bol bon boo bop bor bpa bpb bpg bpi bpl bpn bpo bpp bpr bra brb brg bri brl brn bro brp brr g-p gaa gab gag gai gal gan gao gap gar gba gbg gbi gbl gbn gbo gbp gbr gga ggb ggg ggi ggn ggo ggp ggr gia gib gig gii gil gin gio gip gir gla glb glg gli gll gln glo glp glr gna gnb gni gnl gnn gno gnp gnr goa gob gog goi gol gon goo gop gor gpa gpb gpg gpi gpl gpn gpo gpp gpr gra grb grg gri grl grn gro grp grr ia- iaa iab iag iai ial ian iao iap iar iba ibb ibg ibi ibl ibn ibo ibp ibr iga igb igg igi igl ign igo igp igr iia iib iii iil iin iio iip iir il- ila ilb ilg ili ill iln ilo ilp ilr in- ina inb ing ini inl inn ino inp inr io- ioa iob iog ioi iol ion ioo iop ior ipa ipb ipg ipi ipl ipn ipo ipp ipr ir- ira irb irg iri irl irn iro irp irr l-p la- laa lab lag lai lal lan lao lap lar lba lbb lbg lbi lbl lbo lbp lbr lga lgb lgg lgi lgl lgn lgo lgp lgr lia lib lig lii lil lin lio lip lir lla llb llg lli lll lln llo llp llr lna lnb lng lni lnl lnn lno lnp lnr loa lob log loi lol lon loo lop lor lpa lpb lpg lpi lpl lpn lpo lpp lpr lra lrb lrg lri lrn lro lrp lrr n-i naa nab nag nai nal nan nao nap nar nba nbb nbg nbi nbl nbn nbo nbp nbr nga ngb ngg ngi ngl ngn ngo ngp nia nib nig nii nil nin nio nip nir nla nlb nlg nli nll nln nlo nlp nlr nna nnb nng nni nnl nnn nno nnp no- noa nob nog noi nol non noo nop nor npa npb npg npi npl npn npo npp npr nra nrb nrg nri nrl nrn nro nrp nrr o-i oaa oab oag oai oal oan oao oap oar ob- oba obb obg obi obl obn obo obp obr oga ogg ogi ogl ogn ogo ogp oia oib oii oil oin oio oip oir ola olb olg oli oll oln olo olp on- ona onb ong oni onl onn ono onp onr oo- ooa oob oog ooi ool oon ooo oop oor op- opa opb opg opi opl opn opo opp opr or- ora orb org ori orl orn oro orp orr p-p paa pab pag pai pal pan pao pap par pba pbb pbg pbi pbl pbn pbo pbp pbr pga pgb pgg pgi pgl pgn pgo pgp pgr pia pib pig pii pil pin pio pip pir pla plb plg pli pll pln plo plp plr pn- pna pnb png pni pnl pnn pno pnp pnr poa pob pog poi pol pon poo pop por ppa ppb ppg ppi ppl ppn ppo ppp ppr pra prb prg pri prl prn pro prp prr ra- raa rab rag rai ral ran rao rap rar rba rbb rbg rbi rbl rbn rbo rbp rbr rga rgb rgg rgi rgn rgo rgp rgr ria rib rig rii ril rin rio rip rir rla rlg rli rll rln rlo rlp rlr rna rnb rng rni rnn rno rnp rnr roa rob rog roi rol ron roo rop ror rpa rpb rpg rpi rpl rpn rpo rpp rpr rra rrb rrg rri rrl rrn rrp rrr