-ic a-a a-b a-c a-i aaa aab aac aai aao aap aar aav ab- aba abb abc abi abo abp abr abv ac- aca acb acc aci aco acp acr acv ai- aia aib aic aii aio aip air aiv aoa aob aoc aoi aoo aop aor aov ap- apa apb apc api apo app apr apv ar- ara arb arc ari aro arp arr arv av- ava avb avc avi avo avp avr b-p baa bab bac bai bao bap bar bav bba bbb bbc bbi bbo bbp bbr bca bcb bcc bci bco bcp bcr bcv bi- bia bib bic bii bio bip bir biv boa bob boc boi boo bop bor bov bpa bpb bpc bpi bpo bpp bpr bpv bra brb bri bro brp brr brv bva bvb bvc bvi bvo bvp bvr bvv c-- caa cab cac cai cao cap car cav cba cbb cbc cbi cbo cbp cbr cbv cca ccb ccc cci cco ccp ccr ccv ci- cia cib cic cii cio cip cir civ co- coa cob coc coi coo cop cor cov cpa cpb cpc cpi cpo cpp cpr cpv cra crb crc cri cro crp crr crv cva cvb cvc cvi cvo cvp cvr cvv i-v ia- iaa iab iac iai iao iap iar iav iba ibb ibc ibi ibo ibp ibr ibv ica icb icc ici ico icp icr icv iia iib iic iii iio iip iir io- ioa iob ioc ioi ioo iop ior iov ipa ipb ipc ipi ipo ipp ipr ipv ir- ira irb irc iri iro irp irr irv iva ivb ivc ivi ivo ivp ivr ivv o-i oaa oab oac oai oao oap oar oav ob- oba obb obc obi obo obp obr obv oc- oca ocb occ oci oco ocp ocr ocv oia oib oic oii oio oip oir oiv oo- ooa oob ooc ooi ooo oop oor oov op- opa opb opc opi opo opp opr opv or- ora orb orc ori oro orp orr orv ov- ova ovb ovc ovi ovo ovp ovv p-p paa pab pac pai pao pap par pav pba pbb pbc pbi pbo pbp pbr pca pcb pcc pci pco pcp pcr pcv pia pib pic pii pio pip pir piv poa pob poc poi poo pop por pov ppa ppb ppc ppi ppo ppp ppr ppv pra prb prc pri pro prp prr prv pva pvb pvc pvi pvo pvp pvr pvv ra- raa rab rac rai rao rap rar rav rba rbb rbc rbi rbo rbp rbr rca rcb rcc rci rco rcp rcr rcv ria rib ric rii rio rip rir riv roa rob roc roi roo rop ror rov rpa rpb rpc rpi rpo rpp rpr rpv rra rrb rrc rri rrp rrr rva rvb rvc rvi rvo rvp rvr rvv v-a vaa vab vac vai vao vap var vav vba vbc vbi vbo vbr vbv vca vcc vci vco vcp vcr vi- via vib vic vii vio vip vir viv voa vob voc voi voo vop vor vov vpa vpb vpc vpi vpo vpp vpr vra vrb vrc vri vrp vrr vva vvb vvc vvi vvo vvr vvv

-vac a-ii a-iv aaaa aaab aaac aaai aaap aaar aaav aaba aabb aabc aabi aabp aaca aacb aacc aaci aaco aacp aacr aacv aaib aaic aaii aaoo aapa aapc aapi aapo aara aarc aari aaro aarp aava abaa abab abac abai abap abar abb- abba abbb abbi abbo abbr abca abcb abcc abci abcp abcr abia abib abic abir aboa abob aboo abor abov abpa abpc abpi abpp abpr abra abrc abri abro abva abvp acaa acab acac acai acap acar acba acca accc acci acco accp aci- acia acic acip acir acoa acop acor acpa acpi acpr acr- acra acrc acri acro acrr acrv acvv aiai aiba aibo aica aicc aicp aicr aiia aiib aiic aiir aioc aioi aipa aipi aira airi airo airp aiva aoba aoca aopo aora aorb apac apai apao apap apar apba apbr apca apcb apcc apco apcr api- apia apic apio apip apo- apoc apoo apop apor appa appc appr apra aprc apri apro arab arac arai arap arar arba arbi arc- arca arci arco aria arib arii ario arip aroa arob aroi aroo aror arpa arpi arr- arra arrc arri arro arrr arva arvi arvo avab avao avar avcc avco avia avic avio avip aviv avor avra avri avro avva avvo ba-i baaa baar baba babb babi babo babr bac- baca bacc baci baco baia baib baic baio bair bapa bapc bapi bapp bar- bara barb barc bari baro barr bava bavi bbbb bbci bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcia bcor bcpp bcra bcvo biao biap biar biba bibb bibi bibo bica bicc bici bico bio- bioc bioi bipa bipp bira birb biri biro birr bivi boab boac boai boar boba bobb bobi bobo boca boco boi- boii boob booc boop boor bopa bopp bor- bora bori boro borr bova bovi bovo bpai bpcp bprc brab brac brai brao brav brca brcb bria bric brio broa brob broc broo bror brrr brvi c-bo caaa caab caac caap caba cabi cabo cac- caca cacc caci caco cacr caia caib caic caio caip cair caoi caor capa capb capc capi capo capp cara carb carc cari caro carp carr cava cavi cavo cbac cbar cbbc cbca cbcc cbcp cbcr cbia cbir cbpc cbpp cbva cbvb cbvp cbvr ccaa ccab ccac ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp cccv ccic ccii ccip ccir cciv ccob ccoc ccpa ccpp ccpr ccra ccrc ccri ccrp ccvi ccvo ciaa ciao ciar ciba cibc cibi cibo cica cicc cici cico cicr ciia ciii ciob cior cipa cipo cipp cira cirb circ ciri ciro cirr civa civc civo coai coba cobb cobi cobo coca coco cocp coia coip coir coob coop copa copi copo copp copr cor- cora corb corc cori coro corp corr cova covo cpaa cpac cpap cpbc cpca cpia cpic cpio cppa cpri cpvc