-ic a-a a-b a-c a-i aaa aab aac aag aai aao aar aav ab- aba abb abc abg abi abo abr abv ac- aca acb acc acg aci aco acr acv ag- aga agb agc agg agi ago agr agv ai- aia aib aic aig aii aio air aiv aoa aob aoc aog aoi aoo aor aov ar- ara arb arc arg ari aro arr arv av- ava avb avc avg avi avo avr baa bab bac bag bai bao bar bav bba bbb bbc bbg bbi bbo bbr bca bcb bcc bcg bci bco bcr bcv bga bgb bgc bgg bgi bgo bgr bgv bi- bia bib bic big bii bio bir biv boa bob boc bog boi boo bor bov bra brb brg bri bro brr brv bva bvb bvc bvg bvi bvo bvr bvv c-- caa cab cac cag cai cao car cav cba cbb cbc cbg cbi cbo cbr cbv cca ccb ccc ccg cci cco ccr ccv cga cgb cgc cgg cgi cgo cgr cgv ci- cia cib cic cig cii cio cir civ co- coa cob coc cog coi coo cor cov cra crb crc crg cri cro crr crv cva cvb cvc cvg cvi cvo cvr cvv gaa gab gac gag gai gao gar gav gba gbc gbg gbi gbo gbr gbv gca gcb gcc gcg gci gco gcr gga ggb ggc ggg ggi ggo ggr ggv gia gib gic gig gii gio gir giv goa gob goc gog goi goo gor gov gra grb grc grg gri gro grr grv gva gvb gvc gvg gvi gvo gvr i-v ia- iaa iab iac iag iai iao iar iav iba ibb ibc ibg ibi ibo ibr ibv ica icb icc icg ici ico icr icv iga igb igc igg igi igo igr iia iib iic iii iio iir io- ioa iob ioc iog ioi ioo ior iov ir- ira irb irc irg iri iro irr irv iva ivb ivc ivg ivi ivo ivr ivv o-i oaa oab oac oag oai oao oar oav ob- oba obb obc obg obi obo obr obv oc- oca ocb occ ocg oci oco ocr ocv oga ogc ogg ogi ogo oia oib oic oii oio oir oiv oo- ooa oob ooc oog ooi ooo oor oov or- ora orb orc org ori oro orr orv ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rag rai rao rar rav rba rbb rbc rbg rbi rbo rbr rca rcb rcc rcg rci rco rcr rcv rga rgb rgc rgg rgi rgo rgr rgv ria rib ric rig rii rio rir riv roa rob roc rog roi roo ror rov rra rrb rrc rrg rri rrr rva rvb rvc rvg rvi rvo rvr rvv v-a vaa vab vac vag vai vao var vav vba vbc vbg vbi vbo vbr vbv vca vcc vci vco vcr vga vgc vgg vgo vgr vi- via vib vic vig vii vio vir viv voa vob voc vog voi voo vor vov vra vrb vrc vrg vri vrr vva vvb vvc vvg vvi vvo vvr vvv

-vac a-ii a-iv aaaa aaab aaac aaai aaar aaav aaba aabb aabc aabi aaca aacb aacc aaci aaco aacr aacv aaib aaic aaii aaoo aara aarc aari aaro aava abaa abab abac abag abai abar abb- abba abbb abbi abbo abbr abca abcb abcc abci abcr abia abib abic abig abir aboa abob aboo abor abov abra abrc abri abro abva acaa acab acac acag acai acar acba acca accc acci acco acga acgi acgr aci- acia acic acir acoa acog acor acr- acra acrc acri acro acrr acrv acvv ag-o agac agag agai agao agar agav agba agbo agca agcc agco agga aggi agia agib agic agig agii agio agir agob agog agoo agra agri agro agva aiai aiba aibo aica aicc aicr aiga aigo aiia aiib aiic aiir aioc aioi aira airi airo aiva aoba aoca aora aorb arab arac arag arai arar arba arbi arc- arca arci arco arga argb argi argo aria arib arig arii ario aroa arob aroi aroo aror arr- arra arrc arrg arri arro arrr arva arvi arvo avab avao avar avcc avco avgi avgo avia avic avio aviv avor avra avri avro avva avvo ba-i baaa baar baba babb babi babo babr bac- baca bacc baci baco baga bagg bagi bago baia baib baic baig baio bair bar- bara barb barc barg bari baro barr bava bavi bbbb bbci bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcci bcia bcor bcra bcvo bgca bgia biao biar biba bibb bibi bibo bica bicc bicg bici bico biga bigb bigc bigg bigo bio- bioc biog bioi bira birb birg biri biro birr bivi boab boac boag boai boar boba bobb bobi bobo boca boco boga bogg bogi bogo boi- boii boob booc boog boor bor- bora borg bori boro borr bova bovi bovo brab brac brag brai brao brav brca brcb bria bric brig brio broa brob broc brog broo bror brrr brvi c-bo caaa caab caac caba cabg cabi cabo cac- caca cacc caci caco cacr caga cagg cagi cago cagr caia caib caic caio cair caoi caor cara carb carc cari caro carr cava cavi cavo cbac cbar cbbc cbca cbcc cbcr cbga cbgb cbia cbir cbva cbvb cbvg cbvr ccaa ccab ccac ccag ccai ccar ccba ccbc ccca cccb cccc ccci cccv ccga ccgc ccic ccii ccir cciv ccob ccoc ccra ccrc ccrg ccri ccvi ccvo cgac cgcc cgcg cgro ciaa ciao ciar ciba cibc cibi cibo cica cicc cici cico cicr ciga cigi ciia ciii ciob cior cira cirb circ ciri ciro cirr civa civc civo coag coai coba cobb cobi cobo coca coco cogi cogo coia coir coob cor- cora corb corc corg cori coro corr cova covo crab crac crag crai crar crbc crca crcc crcr cria crib cric crig crob croc croo cror cvac cvar cvca cvcc cvii cvra cvrg cvrr gaar gaba gabb gabi gabo gabr gaga gagg gagi gago gaia gaig