-er -ic a-a a-c a-i aaa aac aae aag aai aap aar aav ac- aca acc ace acg aci acp acr acv aea aec aee aeg aei aep aer aev ag- aga agc age agg agi agp agr agv ai- aia aic aie aig aii aip air aiv ap- apa apc ape apg api app apr apv ar- ara arc are arg ari arp arr arv av- ava avc ave avg avi avp avr c-- caa cac cae cag cai cap car cav cca ccc cce ccg cci ccp ccr ccv ce- cea cec cee ceg cei cep cer cev cga cgc cge cgg cgi cgp cgr cgv ci- cia cic cie cig cii cip cir civ cpa cpc cpe cpg cpi cpp cpr cpv cra crc cre crg cri crp crr crv cva cvc cve cvg cvi cvp cvr cvv eaa eac eae eag eai eap ear eav ec- eca ecc ece ecg eci ecr ecv eea eec eee eeg eep eer eev ega egc ege egg egi egp egr eia eic eie eig eii eip eir eiv ep- epa epc epe epg epi epp epr era erc ere erg eri erp err erv eva evc eve evg evi evp evr evv g-p gaa gac gae gag gai gap gar gav gca gcc gce gcg gci gcp gcr ge- gea gec gee geg gei gep ger gev gga ggc ggg ggi ggp ggr ggv gia gic gie gig gii gip gir giv gpa gpc gpe gpg gpi gpp gpr gra grc gre grg gri grp grr grv gva gvc gve gvg gvi gvp gvr i-v ia- iaa iac iae iag iai iap iar iav ica icc ice icg ici icp icr icv ie- iea iec iee ieg iei iep ier iev iga igc ige igg igi igp igr iia iic iie iii iip iir ipa ipc ipe ipg ipi ipp ipr ipv ir- ira irc ire irg iri irp irr irv iva ivc ive ivg ivi ivp ivr ivv p-p paa pac pae pag pai pap par pav pca pcc pce pcg pci pcp pcr pcv pea pec pee peg pei pep per pev pga pgc pge pgg pgi pgp pgr pgv pia pic pie pig pii pip pir piv ppa ppc ppe ppg ppi ppp ppr ppv pra prc pre prg pri prp prr prv pva pvc pve pvg pvi pvp pvr pvv ra- raa rac rae rag rai rap rar rav rca rcc rce rcg rci rcp rcr rcv re- rea rec ree reg rei rep rer rev rga rgc rge rgg rgi rgp rgr rgv ria ric rie rig rii rip rir riv rpa rpc rpe rpg rpi rpp rpr rpv rra rrc rrg rri rrp rrr rva rvc rve rvg rvi rvp rvr rvv v-a v-e vaa vac vae vag vai vap var vav vca vcc vce vci vcp vcr vea vec vee veg vei vep ver vga vgc vgg vgp vgr vi- via vic vie vig vii vip vir viv vpa vpc vpe vpg vpi vpp vpr vra vrc vre vrg vri vrp vrr vva vvc vvg vvi vvr vvv