a-a aaa aag aan aao aap aar ag- aga agg agn ago agp agr an- ana ang ann ano anp anr aoa aog aon aoo aop aor ap- apa apg apn apo app apr ar- ara arg arn aro arp arr g-p gaa gag gan gao gap gar gga ggg ggn ggo ggp ggr gna gnn gno gnp gnr goa gog gon goo gop gor gpa gpg gpn gpo gpp gpr gra grg grn gro grp grr naa nag nan nao nap nar nga ngg ngn ngo ngp nna nng nnn nno nnp no- noa nog non noo nop nor npa npg npn npo npp npr nra nrg nrn nro nrp nrr oaa oag oan oao oap oar oga ogg ogn ogo ogp on- ona ong onn ono onp onr oo- ooa oog oon ooo oop oor op- opa opg opn opo opp opr or- ora org orn oro orp orr p-p paa pag pan pao pap par pga pgg pgn pgo pgp pgr pn- pna png pnn pno pnp pnr poa pog pon poo pop por ppa ppg ppn ppo ppp ppr pra prg prn pro prp prr ra- raa rag ran rao rap rar rga rgg rgn rgo rgp rgr rna rng rnn rno rnp rnr roa rog ron roo rop ror rpa rpg rpn rpo rpp rpr rra rrg rrn rrp rrr