a-a a-t aaa aaf aam aan aao aap aar aat af- afa aff afm afn afo afp afr aft ama amf amm amn amo amp amr amt an- ana anf anm ann ano anp anr ant aoa aof aom aon aoo aop aor aot ap- apa apf apm apn apo app apr apt ar- ara arf arm arn aro arp arr art at- ata atf atm atn ato atp atr att faa faf fam fan fao fap far fat ffa fff ffm ffn ffo ffp ffr fft fma fmf fmm fmn fmo fmp fmr fmt fna fnf fnm fnn fnp fnr fnt foa fof fom fon foo fop for fot fpa fpm fpn fpo fpp fpr fpt fra frf frm frn fro frp frr frt fta ftf ftm ftn fto ftp ftr ftt m-f m-o m-r maa maf mam man mao map mar mat mfa mff mfm mfn mfo mfp mfr mft mma mmf mmm mmn mmo mmp mmr mmt mna mnf mnm mnn mno mnp mnr mnt moa mof mom mon moo mop mor mot mpa mpf mpm mpn mpo mpp mpr mpt mra mrf mrm mrn mro mrp mrr mrt mta mtf mtm mtn mto mtp mtr mtt naa naf nam nan nao nap nar nat nfa nff nfn nfo nfp nfr nft nma nmm nmn nmo nmp nmr nmt nna nnf nnm nnn nno nnp nnt no- noa nof nom non noo nop nor not npa npf npm npn npo npp npr npt nra nrf nrm nrn nro nrp nrr nrt nta ntf ntm ntn nto ntp ntr ntt oaa oaf oam oan oao oap oar oat of- ofa off ofm ofn ofo ofp ofr oft om- oma omf omm omn omo omp omr omt on- ona onf onn ono onp onr ont oo- ooa oof oom oon ooo oop oor oot op- opa opf opm opn opo opp opr opt or- ora orf orm orn oro orp orr ort ot- ota otf otm otn oto otp otr ott p-p paa paf pam pan pao pap par pat pfa pff pfm pfn pfo pfp pfr pft pma pmf pmm pmn pmo pmp pmr pmt pn- pna pnf pnm pnn pno pnp pnr pnt poa pof pom pon poo pop por pot ppa ppf ppm ppn ppo ppp ppr ppt pra prf prm prn pro prp prr prt pt- pta ptf ptm ptn pto ptp ptr ptt ra- raa raf ram ran rao rap rar rat rfa rff rfm rfn rfo rfp rfr rft rma rmf rmm rmn rmo rmp rmr rmt rna rnm rnn rno rnp rnr rnt roa rof rom ron roo rop ror rot rpa rpf rpm rpn rpo rpp rpr rpt rra rrf rrm rrn rrp rrr rrt rta rtf rtm rtn rto rtp rtr rtt taa taf tam tan tao tap tar tat tfa tff tfm tfn tfo tfp tfr tft tma tmf tmm tmn tmo tmp tmr tmt tna tnf tnm tnn tno tnp tnr tnt to- toa tof tom ton too top tor tot tpa tpf tpm tpn tpo tpp tpr tpt tra trf trm trn tro trp trr trt tta ttf ttm ttn tto ttp ttr ttt