-ic a-a a-b a-c a-i aaa aab aac aai aan aao aar aau aav ab- aba abb abc abi abn abo abr abu abv ac- aca acb acc aci acn aco acr acu acv ai- aia aib aic aii ain aio air aiu aiv an- ana anb anc ani ann ano anr anu anv aoa aob aoc aoi aon aoo aor aou aov ar- ara arb arc ari arn aro arr aru arv au- aua aub auc aui aun auo aur auv av- ava avb avc avi avn avo avr avu b-u baa bab bac bai ban bao bar bau bav bba bbb bbc bbi bbn bbo bbr bbu bca bcb bcc bci bcn bco bcr bcu bcv bi- bia bib bic bii bin bio bir biu biv bna bnb bnc bni bnn bno bnr bnu bnv boa bob boc boi bon boo bor bou bov bra brb bri brn bro brr bru brv bua bub buc bui bun buo bur buu bva bvb bvc bvi bvn bvo bvr bvu bvv c-- caa cab cac cai can cao car cau cav cba cbb cbc cbi cbn cbo cbr cbu cbv cca ccb ccc cci ccn cco ccr ccu ccv ci- cia cib cic cii cin cio cir ciu civ cn- cna cnb cnc cni cnn cno cnr cnu cnv co- coa cob coc coi con coo cor cou cov cra crb crc cri crn cro crr cru crv cua cub cuc cui cun cuo cur cuu cuv cva cvb cvc cvi cvn cvo cvr cvu cvv i-v ia- iaa iab iac iai ian iao iar iau iav iba ibb ibc ibi ibn ibo ibr ibu ibv ica icb icc ici icn ico icr icu icv iia iib iic iii iin iio iir iiu in- ina inb inc ini inn ino inr inu inv io- ioa iob ioc ioi ion ioo ior iou iov ir- ira irb irc iri irn iro irr iru irv iu- iua iub iuc iui iur iva ivb ivc ivi ivo ivr ivu ivv n-i naa nab nac nai nan nao nar nau nav nba nbb nbc nbi nbn nbo nbr nbu nbv nca ncb ncc nci ncn nco ncr ncu ncv nia nib nic nii nin nio nir niu niv nna nnb nnc nni nnn nno nnu nnv no- noa nob noc noi non noo nor nou nov nra nrb nrc nri nrn nro nrr nru nrv nua nub nuc nui nun nuo nur nuu nuv nva nvb nvc nvi nvn nvu nvv o-i oaa oab oac oai oan oao oar oau oav ob- oba obb obc obi obn obo obr obu obv oc- oca ocb occ oci ocn oco ocr ocu ocv oia oib oic oii oin oio oir oiu oiv on- ona onb onc oni onn ono onr onu oo- ooa oob ooc ooi oon ooo oor oov or- ora orb orc ori orn oro orr oru orv ou- oua ouc oui oun ouo our ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rai ran rao rar rau rav rba rbb rbc rbi rbn rbo rbr rbu rca rcb rcc rci rcn rco rcr rcu rcv ria rib ric rii rin rio rir riv rna rnb rnc rni rnn rno rnr rnu rnv roa rob roc roi ron roo ror rou rov rra rrb rrc rri rrn rrr rru rua rub ruc rui run ruo rur ruu ruv rva rvb rvc rvi rvn rvo rvr rvu rvv ua- uaa uab uac uai uan uao uar uau uav uba ubb ubc ubi ubn ubo ubr ubu ubv uca ucb ucc uci ucn uco ucr ucu ucv uia uib uic uii uin uio uir uiu un- una unb unc uni unn uno unr unu unv uoa uob uoc uon uoo uor ur- ura urb urc uri urn uro urr uru uua uuc uun uur uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vai van vao var vau vav vba vbc vbi vbo vbr vbv vca vcc vci vcn vco vcr vcu vi- via vib vic vii vin vio vir viu viv vn- vna vni vno vnr vnu vnv voa vob voc voi von voo vor vou vov vra vrb vrc vri vrn vrr vru vur vuv vva vvb vvc vvi vvo vvr vvv