a-a a-t aaa aag aan aao aap aar aat ag- aga agg agn ago agp agr agt an- ana ang ann ano anp anr ant aoa aog aon aoo aop aor aot ap- apa apg apn apo app apr apt ar- ara arg arn aro arp arr art at- ata atg atn ato atp atr att g-p gaa gag gan gao gap gar gat gga ggg ggn ggo ggp ggr ggt gna gnn gno gnp gnr gnt goa gog gon goo gop gor got gpa gpg gpn gpo gpp gpr gpt gra grg grn gro grp grr grt gta gtg gtn gto gtp gtr gtt naa nag nan nao nap nar nat nga ngg ngn ngo ngp ngt nna nng nnn nno nnp nnt no- noa nog non noo nop nor not npa npg npn npo npp npr npt nra nrg nrn nro nrp nrr nrt nta ntg ntn nto ntp ntr ntt oaa oag oan oao oap oar oat oga ogg ogn ogo ogp ogt on- ona ong onn ono onp onr ont oo- ooa oog oon ooo oop oor oot op- opa opg opn opo opp opr opt or- ora org orn oro orp orr ort ot- ota otg otn oto otp otr ott p-p paa pag pan pao pap par pat pga pgg pgn pgo pgp pgr pgt pn- pna png pnn pno pnp pnr pnt poa pog pon poo pop por pot ppa ppg ppn ppo ppp ppr ppt pra prg prn pro prp prr prt pt- pta ptg ptn pto ptp ptr ptt ra- raa rag ran rao rap rar rat rga rgg rgn rgo rgp rgr rgt rna rng rnn rno rnp rnr rnt roa rog ron roo rop ror rot rpa rpg rpn rpo rpp rpr rpt rra rrg rrn rrp rrr rrt rta rtg rtn rto rtp rtr rtt taa tag tan tao tap tar tat tga tgg tgn tgo tgp tgr tgt tna tng tnn tno tnp tnr tnt to- toa tog ton too top tor tot tpa tpg tpn tpo tpp tpr tpt tra trg trn tro trp trr trt tta ttg ttn tto ttp ttr ttt