-er -ic a-a a-c a-i aaa aac aae aag aah aai aak aao aap aar ac- aca acc ace acg ach aci ack aco acp acr aea aec aee aeg aeh aei aek aeo aep aer ag- aga agc age agg agh agi agk ago agp agr aha ahc ahe ahg ahh ahi ahk aho ahp ahr ai- aia aic aie aig aih aii aik aio aip air aka akc ake akg akh aki akk ako akp akr aoa aoc aoe aog aoh aoi aok aoo aop aor ap- apa apc ape apg aph api apk apo app apr ar- ara arc are arg arh ari ark aro arp arr c-- caa cac cae cag cah cai cak cao cap car cca ccc cce ccg cch cci cck cco ccp ccr ce- cea cec cee ceg ceh cei cek ceo cep cer cga cgc cge cgg cgh cgi cgo cgp cgr ch- cha chc che chg chh chi chk cho chp chr ci- cia cic cie cig cih cii cik cio cip cir cka ckc ckh cki cko co- coa coc coe cog coh coi cok coo cop cor cpa cpc cpe cpg cph cpi cpk cpo cpp cpr cra crc cre crg crh cri crk cro crp crr eaa eac eae eag eah eai eak eao eap ear ec- eca ecc ece ecg ech eci eck eco ecr eea eec eee eeg eek eeo eep eer ega egc ege egg egh egi ego egp egr eha ehc ehe ehg ehh ehi eho ehp ehr eia eic eie eig eii eik eio eip eir eka ekc eke ekg ekh eki eko ekp ekr eo- eoa eoc eoe eog eoh eoi eok eoo eop eor ep- epa epc epe epg eph epi epo epp epr era erc ere erg erh eri erk ero erp err g-p gaa gac gae gag gah gai gak gao gap gar gca gcc gce gcg gch gci gck gco gcp gcr ge- gea gec gee geg geh gei gek geo gep ger gga ggc ggg ggh ggi ggo ggp ggr gha ghc ghe ghg ghh ghi gho ghp ghr gia gic gie gig gih gii gik gio gip gir gka gkh gko gkp goa goc goe gog goh goi gok goo gop gor gpa gpc gpe gpg gph gpi gpk gpo gpp gpr gra grc gre grg grh gri grk gro grp grr h-i haa hac hae hag hah hai hak hao hap har hca hcc hce hcg hch hci hck hco hcp hcr he- hea hec hee heg heh hei hek heo hep her hga hgc hge hgg hgh hgi hgk hgo hgp hgr hha hhc hhe hhg hhh hhi hhk hho hhp hhr hia hic hie hig hih hii hik hio hip hir hka hkg hkh hki hkk hko hkp hkr hoa hoc hoe hog hoh hoi hok hoo hop hor hpa hpc hpe hpg hph hpi hpk hpo hpp hpr hr- hra hrc hre hrg hrh hri hrk hro hrp hrr ia- iaa iac iae iag iah iai iao iap iar ica icc ice icg ich ici ick ico icp icr ie- iea iec iee ieg iei iek iep ier iga igc ige igg igh igi igk igo igp igr iha ihc ihe ihg ihh ihi ihk iho ihp ihr iia iic iie iih iii iio iip iir ika ikc ike iki ikk iko ikr io- ioa ioc ioe iog ioh ioi ioo iop ior ipa ipc ipe ipg ipi ipo ipp ipr ir- ira irc ire irg iri irk iro irp irr ka- kaa kac kae kag kah kai kak kao kap kar kca kcc kce kcg kch kci kck kcp kcr ke- kea kec kee keg keh kei kek keo kep ker kga kgc kgh kgi kgo kgp kha khe khh khi khk kho khr kia kic kie kig kih kii kik kio kip kir kkc kke kkh kki kkk kkp kkr koa koc koe kog koh koi kok koo kop kor kpa kpc kpe kph kpi kpk kpo kpp kpr kra krc krg kri krk kro krp krr o-i oaa oac oae oag oah oai oak oao oap oar oc- oca occ ocg och oci ock oco ocp ocr oea oec oee oeg oeh oei oeo oep oer oga ogc oge ogg ogh ogi ogo ogp oha ohc ohe ohg ohh ohi oho ohp ohr oia oic oie oii oik oio oip oir oka okc oke okg oki okk oko okp okr oo- ooa ooc oog ooh ooi ook ooo oop oor op- opa opc ope opg oph opi opk opo opp opr or- ora orc ore org orh ori ork oro orp orr p-p paa pac pae pag pah pai pak pao pap par pca pcc pce pcg pch pci pck pco pcp pcr pea pec pee peg peh pei pek peo pep per pga pgc pge pgg pgh pgi pgk pgo pgp pgr pha phc phe phg phi phk pho php phr pia pic pie pig pih pii pik pio pip pir pka pkc pke pkg pki pko pkp pkr poa poc poe pog poh poi pok poo pop por ppa ppc ppe ppg pph ppi ppk ppo ppp ppr pra prc pre prg prh pri prk pro prp prr ra- raa rac rae rag rah rai rak rao rap rar rca rcc rce rcg rch rci rco rcp rcr re- rea rec ree reg reh rei rek reo rep rer rga rgc rge rgg rgh rgi rgk rgo rgp rgr rh- rha rhc rhe rhg rhh rhi rho rhp rhr ria ric rie rig rih rii rik rio rip rir rkc rke rkg rkk rko rkp roa roc roe rog roh roi rok roo rop ror rpa rpc rpe rpg rph rpi rpk rpo rpp rpr rra rrc rrg rrh rri rrk rrp rrr