a-a a-t aaa aaf aan aao aap aar aat af- afa aff afn afo afp afr aft an- ana anf ann ano anp anr ant aoa aof aon aoo aop aor aot ap- apa apf apn apo app apr apt ar- ara arf arn aro arp arr art at- ata atf atn ato atp atr att faa faf fan fao fap far fat ffa fff ffn ffo ffp ffr fft fna fnf fnn fnp fnr fnt foa fof fon foo fop for fot fpa fpn fpo fpp fpr fpt fra frf frn fro frp frr frt fta ftf ftn fto ftp ftr ftt naa naf nan nao nap nar nat nfa nff nfn nfo nfp nfr nft nna nnf nnn nno nnp nnt no- noa nof non noo nop nor not npa npf npn npo npp npr npt nra nrf nrn nro nrp nrr nrt nta ntf ntn nto ntp ntr ntt oaa oaf oan oao oap oar oat of- ofa off ofn ofo ofp ofr oft on- ona onf onn ono onp onr ont oo- ooa oof oon ooo oop oor oot op- opa opf opn opo opp opr opt or- ora orf orn oro orp orr ort ot- ota otf otn oto otp otr ott p-p paa paf pan pao pap par pat pfa pff pfn pfo pfp pfr pft pn- pna pnf pnn pno pnp pnr pnt poa pof pon poo pop por pot ppa ppf ppn ppo ppp ppr ppt pra prf prn pro prp prr prt pt- pta ptf ptn pto ptp ptr ptt ra- raa raf ran rao rap rar rat rfa rff rfn rfo rfp rfr rft rna rnn rno rnp rnr rnt roa rof ron roo rop ror rot rpa rpf rpn rpo rpp rpr rpt rra rrf rrn rrp rrr rrt rta rtf rtn rto rtp rtr rtt taa taf tan tao tap tar tat tfa tff tfn tfo tfp tfr tft tna tnf tnn tno tnp tnr tnt to- toa tof ton too top tor tot tpa tpf tpn tpo tpp tpr tpt tra trf trn tro trp trr trt tta ttf ttn tto ttp ttr ttt