a-a a-i aaa aaf aai aam aan aao aap aar af- afa aff afi afm afn afo afp afr ai- aia aif aii aim ain aio aip air ama amf ami amm amn amo amp amr an- ana anf ani anm ann ano anp anr aoa aof aoi aom aon aoo aop aor ap- apa apf api apm apn apo app apr ar- ara arf ari arm arn aro arp arr faa faf fai fam fan fao fap far ffa fff ffi ffm ffn ffo ffp ffr fia fif fii fim fin fip fir fma fmf fmi fmm fmn fmo fmp fmr fna fnf fni fnm fnn fnp fnr foa fof foi fom fon foo fop for fpa fpi fpm fpn fpo fpp fpr fra frf fri frm frn fro frp frr i-f ia- iaa iaf iai iam ian iao iap iar ifa iff ifi ifm ifn ifo ifp ifr iia iif iii iim iin iio iip iir im- ima imf imi imm imn imo imp in- ina inf ini inm inn ino inp inr io- ioa iof ioi iom ion ioo iop ior ipa ipf ipi ipm ipn ipo ipp ipr ir- ira irf iri irm irn iro irp irr m-f m-o m-r maa maf mai mam man mao map mar mfa mff mfi mfm mfn mfo mfp mfr mi- mia mif mii mim min mio mip mir mma mmf mmi mmm mmn mmo mmp mmr mna mnf mni mnm mnn mno mnp mnr moa mof moi mom mon moo mop mor mpa mpf mpi mpm mpn mpo mpp mpr mra mrf mri mrm mrn mro mrp mrr n-i naa naf nai nam nan nao nap nar nfa nff nfi nfn nfo nfp nfr nia nif nii nim nin nio nip nir nma nmi nmm nmn nmo nmp nmr nna nnf nni nnm nnn nno nnp no- noa nof noi nom non noo nop nor npa npf npi npm npn npo npp npr nra nrf nri nrm nrn nro nrp nrr o-i oaa oaf oai oam oan oao oap oar of- ofa off ofi ofm ofn ofo ofp ofr oia oif oii oim oin oio oip oir om- oma omf omi omm omn omo omp omr on- ona onf oni onn ono onp onr oo- ooa oof ooi oom oon ooo oop oor op- opa opf opi opm opn opo opp opr or- ora orf ori orm orn oro orp orr p-p paa paf pai pam pan pao pap par pfa pff pfi pfm pfn pfo pfp pfr pia pif pii pim pin pio pip pir pma pmf pmi pmm pmn pmo pmp pmr pn- pna pnf pni pnm pnn pno pnp pnr poa pof poi pom pon poo pop por ppa ppf ppi ppm ppn ppo ppp ppr pra prf pri prm prn pro prp prr ra- raa raf rai ram ran rao rap rar rfa rff rfi rfm rfn rfo rfp rfr ria rif rii rim rin rio rip rir rma rmf rmi rmm rmn rmo rmp rmr rna rni rnm rnn rno rnp rnr roa rof roi rom ron roo rop ror rpa rpf rpi rpm rpn rpo rpp rpr rra rrf rri rrm rrn rrp rrr