-ic a-a a-b a-c a-i aaa aab aac aad aai aak aao aar aau aav ab- aba abb abc abd abi abk abo abr abu abv ac- aca acb acc acd aci ack aco acr acu acv ad- ada adb adc add adi adk ado adr adu adv ai- aia aib aic aid aii aik aio air aiu aiv aka akb akc akd aki akk ako akr aku akv aoa aob aoc aod aoi aok aoo aor aou aov ar- ara arb arc ard ari ark aro arr aru arv au- aua aub auc aud aui auk auo aur auv av- ava avb avc avd avi avk avo avr avu b-u baa bab bac bad bai bak bao bar bau bav bba bbb bbc bbd bbi bbk bbo bbr bbu bca bcb bcc bcd bci bck bco bcr bcu bcv bda bdb bdc bdd bdi bdk bdo bdr bdu bdv bi- bia bib bic bid bii bik bio bir biu biv bka bkb bkc bkk bko bkr bkv boa bob boc bod boi bok boo bor bou bov bra brb brd bri brk bro brr bru brv bua bub buc bud bui buk buo bur buu bva bvb bvc bvd bvi bvk bvo bvr bvu bvv c-- caa cab cac cad cai cak cao car cau cav cba cbb cbc cbd cbi cbk cbo cbr cbu cbv cca ccb ccc ccd cci cck cco ccr ccu ccv cda cdb cdc cdd cdi cdk cdo cdr cdu cdv ci- cia cib cic cid cii cik cio cir ciu civ cka ckb ckc ckd cki cko co- coa cob coc cod coi cok coo cor cou cov cra crb crc crd cri crk cro crr cru crv cua cub cuc cud cui cuk cuo cur cuu cuv cva cvb cvc cvd cvi cvk cvo cvr cvu cvv daa dab dac dad dai dak dao dar dau dav dba dbb dbc dbd dbi dbk dbo dbr dbu dbv dca dcb dcc dcd dci dck dco dcr dcu dcv dda ddb ddc ddd ddi ddk ddo ddr ddu di- dia dib dic did dii dik dio dir diu div dka dkb dkc dki dkk dko dkr dku doa dob doc dod doi dok doo dor dou dov dra drb drc drd dri drk dro drr dru drv dua dub duc dud dui duk duo dur duv dva dvb dvc dvd dvi dvk dvr dvu i-d i-v ia- iaa iab iac iad iai iao iar iau iav iba ibb ibc ibd ibi ibk ibo ibr ibu ibv ica icb icc icd ici ick ico icr icu icv ida idb idc idd idi idk ido idr idu idv iia iib iic iid iii iio iir iiu ika ikb ikc iki ikk iko ikr iku ikv io- ioa iob ioc iod ioi ioo ior iou iov ir- ira irb irc ird iri irk iro irr iru irv iu- iua iub iuc iud iui iur iva ivb ivc ivd ivi ivo ivr ivu ivv ka- kaa kab kac kad kai kak kao kar kau kav kba kbb kbc kbd kbi kbk kbo kbr kbu kca kcb kcc kcd kci kck kcr kcu kda kdb kdc kdk kdo kdr kdu kia kib kic kid kii kik kio kir kiu kiv kkb kkc kki kkk kkr kku kkv koa kob koc kod koi kok koo kor kou kra krc krd kri krk kro krr kru krv kub kuc kud kui kuk kur kuu kva kvb kvi kvk kvo kvr kvv o-i oaa oab oac oad oai oak oao oar oau oav ob- oba obb obc obd obi obk obo obr obu obv oc- oca ocb occ ocd oci ock oco ocr ocu ocv oda odb odc odd odi odo odr odu odv oia oib oic oid oii oik oio oir oiu oiv oka okb okc okd oki okk oko okr oku oo- ooa oob ooc ood ooi ook ooo oor oov or- ora orb orc ord ori ork oro orr oru orv ou- oua ouc oud oui ouk ouo our ov- ova ovb ovc ovd ovi ovo ovv ra- raa rab rac rad rai rak rao rar rau rav rba rbb rbc rbd rbi rbk rbo rbr rbu rca rcb rcc rcd rci rco rcr rcu rcv rda rdb rdc rdd rdi rdo rdr rdu rdv ria rib ric rid rii rik rio rir riv rkb rkc rkk rko rku rkv roa rob roc rod roi rok roo ror rou rov rra rrb rrc rrd rri rrk rrr rru rua rub ruc rud rui ruk ruo rur ruu ruv rva rvb rvc rvd rvi rvo rvr rvu rvv ua- uaa uab uac uad uai uak uao uar uau uav uba ubb ubc ubi ubk ubo ubr ubu ubv uca ucb ucc ucd uci uck uco ucr ucu ucv uda udb udc udd udi udk udo udr udu udv uia uib uic uid uii uio uir uiu uka ukb ukc uki ukk ukr uku uoa uob uoc uod uok uoo uor ur- ura urb urc urd uri urk uro urr uru uua uuc uur uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vad vai vak vao var vau vav vba vbc vbd vbi vbk vbo vbr vbv vca vcc vcd vci vco vcr vcu vdb vdc vdd vdi vdk vdo vdr vdu vdv vi- via vib vic vid vii vik vio vir viu viv vka vkb voa vob voc vod voi vok voo vor vou vov vra vrb vrc vrd vri vrk vrr vru vuk vur vuv vva vvb vvc vvi vvo vvr vvv

-vac a-ak a-do a-ii a-iv a-ok aaaa aaab aaac aaad aaai aaar aaav aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aack aaco aacr aacu aacv aada aadc aadi aadu aaib aaic aaii aaka aaku aaoo aara aarc aard aari aaro aaru aava abaa abab abac abad abai abak abar abau abb- abba abbb abbi abbo abbr abca abcb abcc abcd abci abcr abda abdi abdo abdu abia abib abic abid abir