-er -ic a-a a-c a-i aaa aac aad aae aaf aai aar aas aau ac- aca acc acd ace acf aci acr acs acu ad- ada adc add ade adf adi adr ads adu aea aec aed aee aef aei aer aes aeu af- afa afc afd afe aff afi afr afs afu ai- aia aic aid aie aif aii air ais aiu ar- ara arc ard are arf ari arr ars aru as- asa asc asd ase asf asi asr ass asu au- aua auc aud aue auf aui aur aus c-- caa cac cad cae caf cai car cas cau cca ccc ccd cce ccf cci ccr ccs ccu cda cdc cdd cde cdf cdi cdr cds cdu ce- cea cec ced cee cef cei cer ces ceu cfa cfc cfd cfe cff cfi cfr cfs cfu ci- cia cic cid cie cif cii cir cis ciu cra crc crd cre crf cri crr crs cru csa csc csd cse csf csi csr css csu cua cuc cud cue cuf cui cur cus cuu daa dac dad dae daf dai dar das dau dca dcc dcd dce dcf dci dcr dcs dcu dda ddc ddd dde ddf ddi ddr dds ddu de- dea dec ded dee def dei der des deu dfa dfc dfd dfe dff dfi dfr dfs dfu di- dia dic did die dif dii dir dis diu dra drc drd dre dri drr drs dru dsa dsc dsd dse dsf dsi dsr dss dsu dua duc dud due duf dui dur dus eaa eac ead eae eaf eai ear eas eau ec- eca ecc ecd ece ecf eci ecr ecs ecu ed- eda edc edd ede edf edi edr eds edu eea eec eed eee eef eer ees ef- efa efc efd efe eff efi efr efs eia eic eid eie eif eii eir eis eiu era erc erd ere erf eri err ers eru es- esa esc esd ese esf esi esr ess esu eu- eua euc eud eue euf eui eur eus faa fac fad fae faf fai far fas fau fca fcc fcd fce fcf fci fcr fcs fcu fda fdc fdd fde fdf fdi fdr fds fdu fea fec fed fee fef fei fer fes feu ffa ffc ffd ffe fff ffi ffr ffs ffu fia fic fid fie fif fii fir fis fiu fra frc frd fre frf fri frr frs fru fsa fsc fsd fse fsf fsi fsr fss fsu fua fud fue fuf fui fur fus fuu i-d i-f ia- iaa iac iad iae iaf iai iar ias iau ica icc icd ice icf ici icr ics icu ida idc idd ide idf idi idr ids idu ie- iea iec ied iee ief iei ier ies ifa ifc ifd ife iff ifi ifr ifs ifu iia iic iid iie iif iii iir iis iiu ir- ira irc ird ire irf iri irr irs iru is- isa isc isd ise isf isi isr iss isu iu- iua iuc iud iue iui iur ius ra- raa rac rad rae raf rai rar ras rau rca rcc rcd rce rcf rci rcr rcs rcu rda rdc rdd rde rdf rdi rdr rds rdu re- rea rec red ree ref rei rer res reu rfa rfc rfd rfe rff rfi rfr rfs rfu ria ric rid rie rif rii rir ris rra rrc rrd rrf rri rrr rrs rru rsa rsc rsd rse rsf rsi rsr rss rsu rua ruc rud rue ruf rui rur rus ruu saa sac sad sae saf sai sar sas sau sca scc scd sce scf sci scr scs scu sda sdc sdd sde sdf sdi sdr sds sdu se- sea sec sed see sef sei ser ses seu sfa sfc sfd sfe sff sfi sfr sfs sfu sia sic sid sie sif sii sir sis siu sr- sra src srd sre srf sri srr srs ss- ssa ssc ssd sse ssf ssi ssr sss ssu sua suc sud sue suf sui sur sus suu ua- uaa uac uad uae uaf uai uar uas uau uca ucc ucd uce ucf uci ucr ucs ucu uda udc udd ude udf udi udr uds udu uea uec ued uee uef uei uer ues ufa ufc ufd ufe uff ufi ufr ufs ufu uia uic uid uie uif uii uir uis uiu ur- ura urc urd ure urf uri urr urs uru usa usc usd use usf usi usr uss usu uua uuc uue uur uus uuu