-er -ic a-a a-c a-i aaa aac aae aaf aah aai aao aar aas ac- aca acc ace acf ach aci aco acr acs aea aec aee aef aeh aei aeo aer aes af- afa afc afe aff afh afi afo afr afs aha ahc ahe ahf ahh ahi aho ahr ahs ai- aia aic aie aif aih aii aio air ais aoa aoc aoe aof aoh aoi aoo aor aos ar- ara arc are arf arh ari aro arr ars as- asa asc ase asf ash asi aso asr ass c-- caa cac cae caf cah cai cao car cas cca ccc cce ccf cch cci cco ccr ccs ce- cea cec cee cef ceh cei ceo cer ces cfa cfc cfe cff cfh cfi cfo cfr cfs ch- cha chc che chf chh chi cho chr chs ci- cia cic cie cif cih cii cio cir cis co- coa coc coe cof coh coi coo cor cos cra crc cre crf crh cri cro crr crs csa csc cse csf csh csi cso csr css eaa eac eae eaf eah eai eao ear eas ec- eca ecc ece ecf ech eci eco ecr ecs eea eec eee eef eeo eer ees ef- efa efc efe eff efh efi efo efr efs eha ehc ehe ehf ehh ehi eho ehr ehs eia eic eie eif eii eio eir eis eo- eoa eoc eoe eof eoh eoi eoo eor eos era erc ere erf erh eri ero err ers es- esa esc ese esf esh esi eso esr ess faa fac fae faf fah fai fao far fas fca fcc fce fcf fci fco fcr fcs fea fec fee fef feh fei feo fer fes ffa ffc ffe fff ffh ffi ffo ffr ffs fha fhc fhe fhf fhh fhi fho fhr fhs fia fic fie fif fih fii fir fis foa foc foe fof foh foi foo for fos fra frc fre frf frh fri fro frr frs fsa fsc fse fsf fsh fsi fso fsr fss h-i haa hac hae haf hah hai hao har has hca hcc hce hcf hch hci hco hcr hcs he- hea hec hee hef heh hei heo her hes hfa hfc hfe hff hfh hfi hfo hfr hfs hha hhc hhe hhf hhh hhi hho hhr hhs hia hic hie hif hih hii hio hir his hoa hoc hoe hof hoh hoi hoo hor hos hr- hra hrc hre hrf hrh hri hro hrr hrs hsa hsc hse hsf hsh hsi hsr hss i-f ia- iaa iac iae iaf iah iai iao iar ias ica icc ice icf ich ici ico icr ics ie- iea iec iee ief iei ier ies ifa ifc ife iff ifi ifo ifr ifs iha ihc ihe ihf ihh ihi iho ihr ihs iia iic iie iif iih iii iio iir iis io- ioa ioc ioe iof ioh ioi ioo ior ios ir- ira irc ire irf iri iro irr irs is- isa isc ise isf ish isi iso isr iss o-i oaa oac oae oaf oah oai oao oar oas oc- oca occ ocf och oci oco ocr ocs oea oec oee oef oeh oei oeo oer oes of- ofa ofc ofe off ofi ofo ofr ofs oha ohc ohe ohf ohh ohi oho ohr ohs oia oic oie oif oii oio oir ois oo- ooa ooc oof ooh ooi ooo oor oos or- ora orc ore orf orh ori oro orr ors os- osa osc ose osf osh osi oso osr oss ra- raa rac rae raf rah rai rao rar ras rca rcc rce rcf rch rci rco rcr rcs re- rea rec ree ref reh rei reo rer res rfa rfc rfe rff rfh rfi rfo rfr rfs rh- rha rhc rhe rhf rhh rhi rho rhr rhs ria ric rie rif rih rii rio rir ris roa roc roe rof roh roi roo ror ros rra rrc rrf rrh rri rrr rrs rsa rsc rse rsf rsh rsi rso rsr rss saa sac sae saf sah sai sao sar sas sca scc sce scf sch sci sco scr scs se- sea sec see sef seh sei seo ser ses sfa sfc sfe sff sfh sfi sfo sfr sfs sh- sha shc she shf shh shi sho shr shs sia sic sie sif sih sii sio sir sis soa soc soe sof soh soi soo sor sos sr- sra src sre srf srh sri sro srr srs ss- ssa ssc sse ssf ssh ssi sso ssr sss