-ic a-a a-b a-c a-i aaa aab aac aae aag aai aao aav ab- aba abb abc abe abg abi abo abv ac- aca acb acc ace acg aci aco acv aea aeb aec aee aeg aei aeo aev ag- aga agb agc age agg agi ago agv ai- aia aib aic aie aig aii aio aiv aoa aob aoc aoe aog aoi aoo aov av- ava avb avc ave avg avi avo baa bab bac bae bag bai bao bav bba bbb bbc bbe bbg bbi bbo bca bcb bcc bce bcg bci bco bcv be- bea beb bec bee beg bei beo bev bga bgb bgc bge bgg bgi bgo bgv bi- bia bib bic bie big bii bio biv boa bob boc boe bog boi boo bov bva bvb bvc bve bvg bvi bvo bvv c-- caa cab cac cae cag cai cao cav cba cbb cbc cbe cbg cbi cbo cbv cca ccb ccc cce ccg cci cco ccv ce- cea ceb cec cee ceg cei ceo cev cga cgb cgc cge cgg cgi cgo cgv ci- cia cib cic cie cig cii cio civ co- coa cob coc coe cog coi coo cov cva cvb cvc cve cvg cvi cvo cvv eaa eab eac eae eag eai eao eav eba ebb ebc ebe ebg ebi ebo ebv ec- eca ecb ecc ece ecg eci eco ecv eea eeb eec eee eeg eeo eev ega egb egc ege egg egi ego eia eib eic eie eig eii eio eiv eo- eoa eob eoc eoe eog eoi eoo eva evb evc eve evg evi evo evv gaa gab gac gae gag gai gao gav gba gbc gbe gbg gbi gbo gbv gca gcb gcc gce gcg gci gco ge- gea geb gec gee geg gei geo gev gga ggb ggc ggg ggi ggo ggv gia gib gic gie gig gii gio giv goa gob goc goe gog goi goo gov gva gvb gvc gve gvg gvi gvo i-v ia- iaa iab iac iae iag iai iao iav iba ibb ibc ibe ibg ibi ibo ibv ica icb icc ice icg ici ico icv ie- iea iec iee ieg iei iev iga igb igc ige igg igi igo iia iib iic iie iii iio io- ioa iob ioc ioe iog ioi ioo iov iva ivb ivc ive ivg ivi ivo ivv o-i oaa oab oac oae oag oai oao oav ob- oba obb obc obe obg obi obo obv oc- oca ocb occ ocg oci oco ocv oea oeb oec oee oeg oei oeo oga ogc oge ogg ogi ogo oia oib oic oie oii oio oiv oo- ooa oob ooc oog ooi ooo oov ov- ova ovb ovc ove ovi ovo ovv v-a v-e vaa vab vac vae vag vai vao vav vba vbc vbg vbi vbo vbv vca vcc vce vci vco vea veb vec vee veg vei veo vga vgc vgg vgo vi- via vib vic vie vig vii vio viv voa vob voc voe vog voi voo vov vva vvb vvc vvg vvi vvo vvv