-ic a-a a-c a-i aaa aac aad aaf aai aam aao aar aas ac- aca acc acd acf aci acm aco acr acs ad- ada adc add adf adi adm ado adr ads af- afa afc afd aff afi afm afo afr afs ai- aia aic aid aif aii aim aio air ais ama amc amd amf ami amm amo amr ams aoa aoc aod aof aoi aom aoo aor aos ar- ara arc ard arf ari arm aro arr ars as- asa asc asd asf asi asm aso asr ass c-- caa cac cad caf cai cam cao car cas cca ccc ccd ccf cci ccm cco ccr ccs cda cdc cdd cdf cdi cdm cdo cdr cds cfa cfc cfd cff cfi cfm cfo cfr cfs ci- cia cic cid cif cii cim cio cir cis cma cmc cmd cmf cmi cmm cmo cmr cms co- coa coc cod cof coi com coo cor cos cra crc crd crf cri crm cro crr crs csa csc csd csf csi csm cso csr css daa dac dad daf dai dam dao dar das dca dcc dcd dcf dci dcm dco dcr dcs dda ddc ddd ddf ddi ddm ddo ddr dds dfa dfc dfd dff dfi dfm dfo dfr dfs di- dia dic did dif dii dim dio dir dis dma dmc dmd dmf dmi dmm dmo dmr dms doa doc dod dof doi dom doo dor dos dra drc drd dri drm dro drr drs dsa dsc dsd dsf dsi dsm dso dsr dss faa fac fad faf fai fam fao far fas fca fcc fcd fcf fci fcm fco fcr fcs fda fdc fdd fdf fdi fdm fdo fdr fds ffa ffc ffd fff ffi ffm ffo ffr ffs fia fic fid fif fii fim fir fis fma fmc fmd fmf fmi fmm fmo fmr fms foa foc fof foi fom foo for fos fra frc frd frf fri frm fro frr frs fsa fsc fsd fsf fsi fsm fso fsr fss i-d i-f ia- iaa iac iad iaf iai iam iao iar ias ica icc icd icf ici icm ico icr ics ida idc idd idf idi idm ido idr ids ifa ifc ifd iff ifi ifm ifo ifr ifs iia iic iid iif iii iim iio iir iis im- ima imc imd imf imi imm imo ims io- ioa ioc iod iof ioi iom ioo ior ios ir- ira irc ird irf iri irm iro irr irs is- isa isc isd isf isi ism iso isr iss m-f m-o m-r maa mac mad maf mai mam mao mar mas mc- mca mcc mcd mcf mci mcm mco mcr mcs mda mdc mdd mdf mdi mdm mdo mdr mds mfa mfc mfd mff mfi mfm mfo mfr mfs mi- mia mic mid mif mii mim mio mir mis mma mmc mmd mmf mmi mmm mmo mmr mms moa moc mod mof moi mom moo mor mos mra mrc mrd mrf mri mrm mro mrr mrs msa msc msd msf msi msm mso msr mss o-i oaa oac oad oaf oai oam oao oar oas oc- oca occ ocd ocf oci ocm oco ocr ocs oda odc odd odf odi odm odo odr ods of- ofa ofc ofd off ofi ofm ofo ofr ofs oia oic oid oif oii oim oio oir ois om- oma omc omd omf omi omm omo omr oms oo- ooa ooc ood oof ooi oom ooo oor oos or- ora orc ord orf ori orm oro orr ors os- osa osc osd osf osi osm oso osr oss ra- raa rac rad raf rai ram rao rar ras rca rcc rcd rcf rci rcm rco rcr rcs rda rdc rdd rdf rdi rdm rdo rdr rds rfa rfc rfd rff rfi rfm rfo rfr rfs ria ric rid rif rii rim rio rir ris rma rmc rmd rmf rmi rmm rmo rmr rms roa roc rod rof roi rom roo ror ros rra rrc rrd rrf rri rrm rrr rrs rsa rsc rsd rsf rsi rsm rso rsr rss saa sac sad saf sai sam sao sar sas sca scc scd scf sci scm sco scr scs sda sdc sdd sdf sdi sdm sdo sdr sds sfa sfc sfd sff sfi sfm sfo sfr sfs sia sic sid sif sii sim sio sir sis sma smc smd smf smi smm smo smr sms soa soc sod sof soi som soo sor sos sr- sra src srd srf sri srm sro srr srs ss- ssa ssc ssd ssf ssi ssm sso ssr sss