-er -ic a-a a-c a-i aaa aac aae aag aai aar aav ac- aca acc ace acg aci acr acv aea aec aee aeg aei aer aev ag- aga agc age agg agi agr agv ai- aia aic aie aig aii air aiv ar- ara arc are arg ari arr arv av- ava avc ave avg avi avr c-- caa cac cae cag cai car cav cca ccc cce ccg cci ccr ccv ce- cea cec cee ceg cei cer cev cga cgc cge cgg cgi cgr cgv ci- cia cic cie cig cii cir civ cra crc cre crg cri crr crv cva cvc cve cvg cvi cvr cvv eaa eac eae eag eai ear eav ec- eca ecc ece ecg eci ecr ecv eea eec eee eeg eer eev ega egc ege egg egi egr eia eic eie eig eii eir eiv era erc ere erg eri err erv eva evc eve evg evi evr evv gaa gac gae gag gai gar gav gca gcc gce gcg gci gcr ge- gea gec gee geg gei ger gev gga ggc ggg ggi ggr ggv gia gic gie gig gii gir giv gra grc gre grg gri grr grv gva gvc gve gvg gvi gvr i-v ia- iaa iac iae iag iai iar iav ica icc ice icg ici icr icv ie- iea iec iee ieg iei ier iev iga igc ige igg igi igr iia iic iie iii iir ir- ira irc ire irg iri irr irv iva ivc ive ivg ivi ivr ivv ra- raa rac rae rag rai rar rav rca rcc rce rcg rci rcr rcv re- rea rec ree reg rei rer rev rga rgc rge rgg rgi rgr rgv ria ric rie rig rii rir riv rra rrc rrg rri rrr rva rvc rve rvg rvi rvr rvv v-a v-e vaa vac vae vag vai var vav vca vcc vce vci vcr vea vec vee veg vei ver vga vgc vgg vgr vi- via vic vie vig vii vir viv vra vrc vre vrg vri vrr vva vvc vvg vvi vvr vvv