-er -ic a-a a-c a-i a-t aaa aac aae aaf aai aak aao aap aar aas aat ac- aca acc ace acf aci ack aco acp acr acs act aea aec aee aef aei aek aeo aep aer aes aet af- afa afc afe aff afi afk afo afp afr afs aft ai- aia aic aie aif aii aik aio aip air ais ait aka akc ake aki akk ako akp akr aks aoa aoc aoe aof aoi aok aoo aop aor aos aot ap- apa apc ape apf api apk apo app apr aps apt ar- ara arc are arf ari ark aro arp arr ars art as- asa asc ase asf asi ask aso asp asr ass ast at- ata atc ate atf ati ato atp atr ats att c-- caa cac cae caf cai cak cao cap car cas cat cca ccc cce ccf cci cck cco ccp ccr ccs cct ce- cea cec cee cef cei cek ceo cep cer ces cet cfa cfc cfe cff cfi cfk cfo cfp cfr cfs cft ci- cia cic cie cif cii cik cio cip cir cis cit cka ckc cki cko cks ckt co- coa coc coe cof coi cok coo cop cor cos cot cpa cpc cpe cpf cpi cpk cpo cpp cpr cps cpt cra crc cre crf cri crk cro crp crr crs crt csa csc cse csf csi csk cso csp csr css cst cta ctc cte ctf cti ctk cto ctp ctr cts ctt eaa eac eae eaf eai eak eao eap ear eas eat ec- eca ecc ece ecf eci eck eco ecr ecs ect eea eec eee eef eek eeo eep eer ees eet ef- efa efc efe eff efi efo efp efr efs eft eia eic eie eif eii eik eio eip eir eis eit eka ekc eke ekf eki eko ekp ekr eks ekt eo- eoa eoc eoe eof eoi eok eoo eop eor eos eot ep- epa epc epe epf epi epo epp epr eps ept era erc ere erf eri erk ero erp err ers ert es- esa esc ese esf esi esk eso esp esr ess est eta etc ete etf eti etk eto etp etr ets ett faa fac fae faf fai fak fao fap far fas fat fca fcc fce fcf fci fck fco fcp fcr fcs fct fea fec fee fef fei fek feo fep fer fes fet ffa ffc ffe fff ffi ffk ffo ffp ffr ffs fft fia fic fie fif fii fik fip fir fis fit fka fkc fkf fki fkk fkp fkt foa foc foe fof foi fok foo fop for fos fot fpa fpc fpe fpi fpk fpo fpp fpr fps fpt fra frc fre frf fri frk fro frp frr frs frt fsa fsc fse fsf fsi fsk fso fsp fsr fss fst fta ftc fte ftf fti ftk fto ftp ftr fts ftt i-f ia- iaa iac iae iaf iai iao iap iar ias iat ica icc ice icf ici ick ico icp icr ics ict ie- iea iec iee ief iei iek iep ier ies iet ifa ifc ife iff ifi ifo ifp ifr ifs ift iia iic iie iif iii iio iip iir iis iit ika ikc ike ikf iki ikk iko ikr iks ikt io- ioa ioc ioe iof ioi ioo iop ior ios iot ipa ipc ipe ipf ipi ipo ipp ipr ips ipt ir- ira irc ire irf iri irk iro irp irr irs irt is- isa isc ise isf isi isk iso isp isr iss ist ita itc ite itf iti itk ito itp its itt k-t ka- kaa kac kae kaf kai kak kao kap kar kas kat kca kcc kce kci kck kcp kcr kcs kct ke- kea kec kee kef kei kek keo kep ker kes ket kfa kfc kff kfi kfo kfs kia kic kie kif kii kik kio kip kir kis kit kkc kke kki kkk kkp kkr kks kkt koa koc koe kof koi kok koo kop kor kos kot kpa kpc kpe kpf kpi kpk kpo kpp kpr kps kpt kra krc krf kri krk kro krp krr krs krt ksa ksc kse ksf ksi ksk kso ksp ksr kss kst kta ktc kte ktf ktk kto ktp ktr kts ktt o-i oaa oac oae oaf oai oak oao oap oar oas oat oc- oca occ ocf oci ock oco ocp ocr ocs oct oea oec oee oef oei oeo oep oer oes oet of- ofa ofc ofe off ofi ofo ofp ofr ofs oft oia oic oie oif oii oik oio oip oir ois oit oka okc oke oki okk oko okp okr oks oo- ooa ooc oof ooi ook ooo oop oor oos oot op- opa opc ope opf opi opk opo opp opr ops opt or- ora orc ore orf ori ork oro orp orr ors ort os- osa osc ose osf osi osk oso osp osr oss ost ot- ota otc ote otf oti otk oto otp otr ots ott p-p paa pac pae paf pai pak pao pap par pas pat pca pcc pce pcf pci pck pco pcp pcr pcs pct pea pec pee pef pei pek peo pep per pes pet pfa pfc pfe pff pfi pfk pfo pfp pfr pfs pft pia pic pie pif pii pik pio pip pir pis pit pka pkc pke pkf pki pko pkp pkr pks pkt poa poc poe pof poi pok poo pop por pos pot ppa ppc ppe ppf ppi ppk ppo ppp ppr pps ppt pra prc pre prf pri prk pro prp prr prs prt ps- psa psc pse psf psi psk pso psp psr pss pst pt- pta ptc pte ptf pti ptk pto ptp ptr pts ptt ra- raa rac rae raf rai rak rao rap rar ras rat rca rcc rce rcf rci rco rcp rcr rcs rct re- rea rec ree ref rei rek reo rep rer res ret rfa rfc