a-a a-i a-t aaa aaf aai aam aao aap aar aas aat af- afa aff afi afm afo afp afr afs aft ai- aia aif aii aim aio aip air ais ait ama amf ami amm amo amp amr ams amt aoa aof aoi aom aoo aop aor aos aot ap- apa apf api apm apo app apr aps apt ar- ara arf ari arm aro arp arr ars art as- asa asf asi asm aso asp asr ass ast at- ata atf ati atm ato atp atr ats att faa faf fai fam fao fap far fas fat ffa fff ffi ffm ffo ffp ffr ffs fft fia fif fii fim fip fir fis fit fma fmf fmi fmm fmo fmp fmr fms fmt foa fof foi fom foo fop for fos fot fpa fpi fpm fpo fpp fpr fps fpt fra frf fri frm fro frp frr frs frt fsa fsf fsi fsm fso fsp fsr fss fst fta ftf fti ftm fto ftp ftr fts ftt i-f ia- iaa iaf iai iam iao iap iar ias iat ifa iff ifi ifm ifo ifp ifr ifs ift iia iif iii iim iio iip iir iis iit im- ima imf imi imm imo imp ims imt io- ioa iof ioi iom ioo iop ior ios iot ipa ipf ipi ipm ipo ipp ipr ips ipt ir- ira irf iri irm iro irp irr irs irt is- isa isf isi ism iso isp isr iss ist ita itf iti itm ito itp its itt m-f m-o m-r maa maf mai mam mao map mar mas mat mfa mff mfi mfm mfo mfp mfr mfs mft mi- mia mif mii mim mio mip mir mis mit mma mmf mmi mmm mmo mmp mmr mms mmt moa mof moi mom moo mop mor mos mot mpa mpf mpi mpm mpo mpp mpr mps mpt mra mrf mri mrm mro mrp mrr mrs mrt msa msf msi msm mso msp msr mss mst mta mtf mti mtm mto mtp mtr mts mtt o-i oaa oaf oai oam oao oap oar oas oat of- ofa off ofi ofm ofo ofp ofr ofs oft oia oif oii oim oio oip oir ois oit om- oma omf omi omm omo omp omr oms omt oo- ooa oof ooi oom ooo oop oor oos oot op- opa opf opi opm opo opp opr ops opt or- ora orf ori orm oro orp orr ors ort os- osa osf osi osm oso osp osr oss ost ot- ota otf oti otm oto otp otr ots ott p-p paa paf pai pam pao pap par pas pat pfa pff pfi pfm pfo pfp pfr pfs pft pia pif pii pim pio pip pir pis pit pma pmf pmi pmm pmo pmp pmr pms pmt poa pof poi pom poo pop por pos pot ppa ppf ppi ppm ppo ppp ppr pps ppt pra prf pri prm pro prp prr prs prt ps- psa psf psi psm pso psp psr pss pst pt- pta ptf pti ptm pto ptp ptr pts ptt ra- raa raf rai ram rao rap rar ras rat rfa rff rfi rfm rfo rfp rfr rfs rft ria rif rii rim rio rip rir ris rit rma rmf rmi rmm rmo rmp rmr rms rmt roa rof roi rom roo rop ror ros rot rpa rpf rpi rpm rpo rpp rpr rps rpt rra rrf rri rrm rrp rrr rrs rrt rsa rsf rsi rsm rso rsp rsr rss rst rta rtf rti rtm rto rtp rtr rts rtt saa saf sai sam sao sap sar sas sat sfa sff sfi sfm sfo sfp sfr sfs sft sia sif sii sim sio sip sir sis sit sma smf smi smm smo smp smr sms smt soa sof soi som soo sop sor sos sot spa spf spi spm spo spp spr sps spt sr- sra srf sri srm sro srp srr srs srt ss- ssa ssf ssi ssm sso ssp ssr sss sst sta stf sti stm sto stp str sts stt taa taf tai tam tao tap tar tas tat tfa tff tfi tfm tfo tfp tfr tfs tft tia tif tii tim tio tip tir tis tit tma tmf tmi tmm tmo tmp tmr tms tmt to- toa tof toi tom too top tor tos tot tpa tpf tpi tpm tpo tpp tpr tps tpt tra trf tri trm tro trp trr trs trt tsa tsf tsi tsm tso tsp tsr tss tst tta ttf tti ttm tto ttp ttr tts ttt