-ic a-a a-b a-c a-i aaa aab aac aai aao aar aau aav ab- aba abb abc abi abo abr abu abv ac- aca acb acc aci aco acr acu acv ai- aia aib aic aii aio air aiu aiv aoa aob aoc aoi aoo aor aou aov ar- ara arb arc ari aro arr aru arv au- aua aub auc aui auo aur auv av- ava avb avc avi avo avr avu b-u baa bab bac bai bao bar bau bav bba bbb bbc bbi bbo bbr bbu bca bcb bcc bci bco bcr bcu bcv bi- bia bib bic bii bio bir biu biv boa bob boc boi boo bor bou bov bra brb bri bro brr bru brv bua bub buc bui buo bur buu bva bvb bvc bvi bvo bvr bvu bvv c-- caa cab cac cai cao car cau cav cba cbb cbc cbi cbo cbr cbu cbv cca ccb ccc cci cco ccr ccu ccv ci- cia cib cic cii cio cir ciu civ co- coa cob coc coi coo cor cou cov cra crb crc cri cro crr cru crv cua cub cuc cui cuo cur cuu cuv cva cvb cvc cvi cvo cvr cvu cvv i-v ia- iaa iab iac iai iao iar iau iav iba ibb ibc ibi ibo ibr ibu ibv ica icb icc ici ico icr icu icv iia iib iic iii iio iir iiu io- ioa iob ioc ioi ioo ior iou iov ir- ira irb irc iri iro irr iru irv iu- iua iub iuc iui iur iva ivb ivc ivi ivo ivr ivu ivv o-i oaa oab oac oai oao oar oau oav ob- oba obb obc obi obo obr obu obv oc- oca ocb occ oci oco ocr ocu ocv oia oib oic oii oio oir oiu oiv oo- ooa oob ooc ooi ooo oor oov or- ora orb orc ori oro orr oru orv ou- oua ouc oui ouo our ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rai rao rar rau rav rba rbb rbc rbi rbo rbr rbu rca rcb rcc rci rco rcr rcu rcv ria rib ric rii rio rir riv roa rob roc roi roo ror rou rov rra rrb rrc rri rrr rru rua rub ruc rui ruo rur ruu ruv rva rvb rvc rvi rvo rvr rvu rvv ua- uaa uab uac uai uao uar uau uav uba ubb ubc ubi ubo ubr ubu ubv uca ucb ucc uci uco ucr ucu ucv uia uib uic uii uio uir uiu uoa uob uoc uoo uor ur- ura urb urc uri uro urr uru uua uuc uur uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vai vao var vau vav vba vbc vbi vbo vbr vbv vca vcc vci vco vcr vcu vi- via vib vic vii vio vir viu viv voa vob voc voi voo vor vou vov vra vrb vrc vri vrr vru vur vuv vva vvb vvc 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 aacu aacv aaib aaic aaii aaoo aara aarc aari aaro aaru aava abaa abab abac abai abar abau abb- abba abbb abbi abbo abbr abca abcb abcc abci abcr abia abib abic abir abiu aboa abob aboo abor abou abov abra abrc abri abro abua abva acaa acab acac acai acar acba acca accc acci acco accu aci- acia acic acir acoa acor acou acr- acra acrc acri acro acrr acrv acu- acuo acur acvv aiai aiba aibo aica aicc aicr aiia aiib aiic aiir aioc aioi aira airi airo aiui aiva aoba aoca aora aorb arab arac arai arar arau arba arbi arc- arca arci arco aria arib arii ario aroa arob aroi aroo aror arr- arra arrc arri arro arrr arru arua arub arui arva arvi arvo auaa auca auci aur- aura auri auro avab avao avar avcc avco avia avic avio aviv avor avou avra avri avro avui avur avva avvo ba-i baaa baar baba babb babi babo babr babu bac- baca bacc baci baco baia baib baic baio bair bar- bara barb barc bari baro barr baru bau- baur bava bavi bavu bbau bbbb bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcor bcra bcru bcuc bcvo biao biar biba bibb bibi bibo bica bicc bici bico bio- bioc bioi biou bira birb biri biro birr biru bivi boab boac boai boar boba bobb bobi bobo bobu boca boco bocu boi- boii boiu boob booc boor bor- bora bori boro borr boru boua bour bova bovi bovo brab brac brai brao brau brav brca brcb bria bric brio broa brob broc broo bror brou brrr bruc bruv brvi buar buba bubb bubi bubo bubu buca bucc buci buco bucu buic buir buiu bur- bura burb buri buro burr buru c-bo caaa caab caac caba cabi cabo cabu cac- caca cacc caci caco cacr caia caib caic caio cair caiu caoi caor cara carb carc cari caro carr cauc cauo cava cavi cavo cavu cbac cbar cbbc cbca cbcc cbcr cbcu cbia cbir cbva cbvb cbvr ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccu cccv ccic ccii ccir cciv ccob ccoc ccra ccrc ccri ccuc ccvi ccvo ciaa ciao ciar ciau ciba cibc cibi cibo cica cicc cici cico cicr cicu ciia ciii ciob cior cira cirb circ ciri ciro cirr ciuc civa civc civo coai coba cobb cobi cobo cobu coca coco cocu coia coir coob cor- cora corb corc cori coro corr coua coub cour cova covo crab crac crai crar crau crbc crbu crca crcc crcr cria crib cric criu crob croc croo cror crub cuau cub- cuba cubb cubi cuca cucc cuci cui- cuir cura curb curi curo curr cvac cvar cvca cvcc cvii cvra cvrr iaaa iaac iaai iaba iaca iacc iacr iacu iaia iara iarc iaru iava ibac ibar ibca ibia ibra ibrc ibri ibro