-er -ic a-a a-c a-i aaa aac aae aaf aag aah aai aao aar ac- aca acc ace acf acg ach aci aco acr aea aec aee aef aeg aeh aei aeo aer af- afa afc afe aff afg afh afi afo afr ag- aga agc age agf agg agh agi ago agr aha ahc ahe ahf ahg ahh ahi aho ahr ai- aia aic aie aif aig aih aii aio air aoa aoc aoe aof aog aoh aoi aoo aor ar- ara arc are arf arg arh ari aro arr c-- caa cac cae caf cag cah cai cao car cca ccc cce ccf ccg cch cci cco ccr ce- cea cec cee cef ceg ceh cei ceo cer cfa cfc cfe cff cfg cfh cfi cfo cfr cga cgc cge cgg cgh cgi cgo cgr ch- cha chc che chf chg chh chi cho chr ci- cia cic cie cif cig cih cii cio cir co- coa coc coe cof cog coh coi coo cor cra crc cre crf crg crh cri cro crr eaa eac eae eaf eag eah eai eao ear ec- eca ecc ece ecf ecg ech eci eco ecr eea eec eee eef eeg eeo eer ef- efa efc efe eff efg efh efi efo efr ega egc ege egf egg egh egi ego egr eha ehc ehe ehf ehg ehh ehi eho ehr eia eic eie eif eig eii eio eir eo- eoa eoc eoe eof eog eoh eoi eoo eor era erc ere erf erg erh eri ero err faa fac fae faf fag fah fai fao far fca fcc fce fcf fcg fci fco fcr fea fec fee fef feg feh fei feo fer ffa ffc ffe fff ffg ffh ffi ffo ffr fga fgc fge fgf fgg fgh fgi fgr fha fhc fhe fhf fhg fhh fhi fho fhr fia fic fie fif fig fih fii fir foa foc foe fof fog foh foi foo for fra frc fre frf frg frh fri fro frr gaa gac gae gaf gag gah gai gao gar gca gcc gce gcf gcg gch gci gco gcr ge- gea gec gee gef geg geh gei geo ger gfa gfc gfe gff gfh gfi gfo gfr gga ggc ggg ggh ggi ggo ggr gha ghc ghe ghg ghh ghi gho ghr gia gic gie gif gig gih gii gio gir goa goc goe gof gog goh goi goo gor gra grc gre grf grg grh gri gro grr h-i haa hac hae haf hag hah hai hao har hca hcc hce hcf hcg hch hci hco hcr he- hea hec hee hef heg heh hei heo her hfa hfc hfe hff hfg hfh hfi hfo hfr hga hgc hge hgf hgg hgh hgi hgo hgr hha hhc hhe hhf hhg hhh hhi hho hhr hia hic hie hif hig hih hii hio hir hoa hoc hoe hof hog hoh hoi hoo hor hr- hra hrc hre hrf hrg hrh hri hro hrr i-f ia- iaa iac iae iaf iag iah iai iao iar ica icc ice icf icg ich ici ico icr ie- iea iec iee ief ieg iei ier ifa ifc ife iff ifg ifi ifo ifr iga igc ige igf igg igh igi igo igr iha ihc ihe ihf ihg ihh ihi iho ihr iia iic iie iif iih iii iio iir io- ioa ioc ioe iof iog ioh ioi ioo ior ir- ira irc ire irf irg iri iro irr o-i oaa oac oae oaf oag oah oai oao oar oc- oca occ ocf ocg och oci oco ocr oea oec oee oef oeg oeh oei oeo oer of- ofa ofc ofe off ofg ofi ofo ofr oga ogc oge ogf ogg ogh ogi ogo oha ohc ohe ohf ohg ohh ohi oho ohr oia oic oie oif oii oio oir oo- ooa ooc oof oog ooh ooi ooo oor or- ora orc ore orf org orh ori oro orr ra- raa rac rae raf rag rah rai rao rar rca rcc rce rcf rcg rch rci rco rcr re- rea rec ree ref reg reh rei reo rer rfa rfc rfe rff rfg rfh rfi rfo rfr rga rgc rge rgf rgg rgh rgi rgo rgr rh- rha rhc rhe rhf rhg rhh rhi rho rhr ria ric rie rif rig rih rii rio rir roa roc roe rof rog roh roi roo ror rra rrc rrf rrg rrh rri rrr