-er -ic -up a-a a-c a-i aaa aac aae aaf aai aap aar aas aau ac- aca acc ace acf aci acp acr acs acu aea aec aee aef aei aep aer aes aeu af- afa afc afe aff afi afp afr afs afu ai- aia aic aie aif aii aip air ais aiu ap- apa apc ape apf api app apr aps apu ar- ara arc are arf ari arp arr ars aru as- asa asc ase asf asi asp asr ass asu au- aua auc aue auf aui aup aur aus c-- caa cac cae caf cai cap car cas cau cca ccc cce ccf cci ccp ccr ccs ccu ce- cea cec cee cef cei cep cer ces ceu cfa cfc cfe cff cfi cfp cfr cfs cfu ci- cia cic cie cif cii cip cir cis ciu cpa cpc cpe cpf cpi cpp cpr cps cpu cra crc cre crf cri crp crr crs cru csa csc cse csf csi csp csr css csu cua cuc cue cuf cui cup cur cus cuu eaa eac eae eaf eai eap ear eas eau ec- eca ecc ece ecf eci ecr ecs ecu eea eec eee eef eep eer ees ef- efa efc efe eff efi efp efr efs eia eic eie eif eii eip eir eis eiu ep- epa epc epe epf epi epp epr eps epu era erc ere erf eri erp err ers eru es- esa esc ese esf esi esp esr ess esu eu- eua euc eue euf eui eup eur eus faa fac fae faf fai fap far fas fau fca fcc fce fcf fci fcp fcr fcs fcu fea fec fee fef fei fep fer fes feu ffa ffc ffe fff ffi ffp ffr ffs ffu fia fic fie fif fii fip fir fis fiu fpa fpc fpe fpi fpp fpr fps fpu fra frc fre frf fri frp frr frs fru fsa fsc fse fsf fsi fsp fsr fss fsu fua fue fuf fui fup fur fus fuu i-f ia- iaa iac iae iaf iai iap iar ias iau ica icc ice icf ici icp icr ics icu ie- iea iec iee ief iei iep ier ies ifa ifc ife iff ifi ifp ifr ifs ifu iia iic iie iif iii iip iir iis iiu ipa ipc ipe ipf ipi ipp ipr ips ipu ir- ira irc ire irf iri irp irr irs iru is- isa isc ise isf isi isp isr iss isu iu- iua iuc iue iui iup iur ius p-p paa pac pae paf pai pap par pas pau pca pcc pce pcf pci pcp pcr pcs pcu pea pec pee pef pei pep per pes peu pfa pfc pfe pff pfi pfp pfr pfs pfu pia pic pie pif pii pip pir pis piu ppa ppc ppe ppf ppi ppp ppr pps ppu pra prc pre prf pri prp prr prs pru ps- psa psc pse psf psi psp psr pss psu pua puc pue puf pui pup pur pus puu ra- raa rac rae raf rai rap rar ras rau rca rcc rce rcf rci rcp rcr rcs rcu re- rea rec ree ref rei rep rer res reu rfa rfc rfe rff rfi rfp rfr rfs rfu ria ric rie rif rii rip rir ris rpa rpc rpe rpf rpi rpp rpr rps rpu rra rrc rrf rri rrp rrr rrs rru rsa rsc rse rsf rsi rsp rsr rss rsu rua ruc rue ruf rui rup rur rus ruu saa sac sae saf sai sap sar sas sau sca scc sce scf sci scp scr scs scu se- sea sec see sef sei sep ser ses seu sfa sfc sfe sff sfi sfp sfr sfs sfu sia sic sie sif sii sip sir sis siu spa spc spe spf spi spp spr sps spu sr- sra src sre srf sri srp srr srs ss- ssa ssc sse ssf ssi ssp ssr sss ssu sua suc sue suf sui sup sur sus suu ua- uaa uac uae uaf uai uap uar uas uau uca ucc uce ucf uci ucp ucr ucs ucu uea uec uee uef uei uep uer ues ufa ufc ufe uff ufi ufp ufr ufs ufu uia uic uie uif uii uip uir uis uiu up- upa upc upe upf upi upp upr ups upu ur- ura urc ure urf uri urp urr urs uru usa usc use usf usi usp usr uss usu uua uuc uue uur uus uuu