-er -ic a-a a-c a-i aaa aac aae aah aai aak aao aap aar aas ac- aca acc ace ach aci ack aco acp acr acs aea aec aee aeh aei aek aeo aep aer aes aha ahc ahe ahh ahi ahk aho ahp ahr ahs ai- aia aic aie aih aii aik aio aip air ais aka akc ake akh aki akk ako akp akr aks aoa aoc aoe aoh aoi aok aoo aop aor aos ap- apa apc ape aph api apk apo app apr aps ar- ara arc are arh ari ark aro arp arr ars as- asa asc ase ash asi ask aso asp asr ass c-- caa cac cae cah cai cak cao cap car cas cca ccc cce cch cci cck cco ccp ccr ccs ce- cea cec cee ceh cei cek ceo cep cer ces ch- cha chc che chh chi chk cho chp chr chs ci- cia cic cie cih cii cik cio cip cir cis cka ckc ckh cki cko cks co- coa coc coe coh coi cok coo cop cor cos cpa cpc cpe cph cpi cpk cpo cpp cpr cps cra crc cre crh cri crk cro crp crr crs csa csc cse csh csi csk cso csp csr css eaa eac eae eah eai eak eao eap ear eas ec- eca ecc ece ech eci eck eco ecr ecs eea eec eee eek eeo eep eer ees eha ehc ehe ehh ehi eho ehp ehr ehs eia eic eie eii eik eio eip eir eis eka ekc eke ekh eki eko ekp ekr eks eo- eoa eoc eoe eoh eoi eok eoo eop eor eos ep- epa epc epe eph epi epo epp epr eps era erc ere erh eri erk ero erp err ers es- esa esc ese esh esi esk eso esp esr ess h-i haa hac hae hah hai hak hao hap har has hca hcc hce hch hci hck hco hcp hcr hcs he- hea hec hee heh hei hek heo hep her hes hha hhc hhe hhh hhi hhk hho hhp hhr hhs hia hic hie hih hii hik hio hip hir his hka hkh hki hkk hko hkp hkr hks hoa hoc hoe hoh hoi hok hoo hop hor hos hpa hpc hpe hph hpi hpk hpo hpp hpr hps hr- hra hrc hre hrh hri hrk hro hrp hrr hrs hsa hsc hse hsh hsi hsk hsp hsr hss ia- iaa iac iae iah iai iao iap iar ias ica icc ice ich ici ick ico icp icr ics ie- iea iec iee iei iek iep ier ies iha ihc ihe ihh ihi ihk iho ihp ihr ihs iia iic iie iih iii iio iip iir iis ika ikc ike iki ikk iko ikr iks io- ioa ioc ioe ioh ioi ioo iop ior ios ipa ipc ipe ipi ipo ipp ipr ips ir- ira irc ire iri irk iro irp irr irs is- isa isc ise ish isi isk iso isp isr iss ka- kaa kac kae kah kai kak kao kap kar kas kca kcc kce kch kci kck kcp kcr kcs ke- kea kec kee keh kei kek keo kep ker kes kha khe khh khi khk kho khr khs kia kic kie kih kii kik kio kip kir kis kkc kke kkh kki kkk kkp kkr kks koa koc koe koh koi kok koo kop kor kos kpa kpc kpe kph kpi kpk kpo kpp kpr kps kra krc kri krk kro krp krr krs ksa ksc kse ksh ksi ksk kso ksp ksr kss o-i oaa oac oae oah oai oak oao oap oar oas oc- oca occ och oci ock oco ocp ocr ocs oea oec oee oeh oei oeo oep oer oes oha ohc ohe ohh ohi oho ohp ohr ohs oia oic oie oii oik oio oip oir ois oka okc oke oki okk oko okp okr oks oo- ooa ooc ooh ooi ook ooo oop oor oos op- opa opc ope oph opi opk opo opp opr ops or- ora orc ore orh ori ork oro orp orr ors os- osa osc ose osh osi osk oso osp osr oss p-p paa pac pae pah pai pak pao pap par pas pca pcc pce pch pci pck pco pcp pcr pcs pea pec pee peh pei pek peo pep per pes pha phc phe phi phk pho php phr phs pia pic pie pih pii pik pio pip pir pis pka pkc pke pki pko pkp pkr pks poa poc poe poh poi pok poo pop por pos ppa ppc ppe pph ppi ppk ppo ppp ppr pps pra prc pre prh pri prk pro prp prr prs ps- psa psc pse psh psi psk pso psp psr pss ra- raa rac rae rah rai rak rao rap rar ras rca rcc rce rch rci rco rcp rcr rcs re- rea rec ree reh rei rek reo rep rer res rh- rha rhc rhe rhh rhi rho rhp rhr rhs ria ric rie rih rii rik rio rip rir ris rkc rke rkk rko rkp rks roa roc roe roh roi rok roo rop ror ros rpa rpc rpe rph rpi rpk rpo rpp rpr rps rra rrc rrh rri rrk rrp rrr rrs rsa rsc rse rsh rsi rsk rso rsp rsr rss saa sac sae sah sai sak sao sap sar sas sca scc sce sch sci sck sco scp scr scs se- sea sec see seh sei sek seo sep ser ses sh- sha shc she shh shi shk sho shp shr shs sia sic sie sih sii sik sio sip sir sis sk- ska skc ske skh ski skk sko skp skr sks soa soc soe soh soi sok soo sop sor sos spa spc spe sph spi spk spo spp spr sps sr- sra src sre srh sri srk sro srp srr srs ss- ssa ssc sse ssh ssi ssk sso ssp ssr sss