-ic a-a a-b a-c a-i a-z aaa aab aac aai aan aao aar aau aaz ab- aba abb abc abi abn abo abr abu abz ac- aca acb acc aci acn aco acr acu acz ai- aia aib aic aii ain aio air aiu aiz an- ana anb anc ani ann ano anr anu anz aoa aob aoc aoi aon aoo aor aou ar- ara arb arc ari arn aro arr aru arz au- aua aub auc aui aun auo aur auz az- aza azb azi azn azo azu azz b-u baa bab bac bai ban bao bar bau baz bba bbb bbc bbi bbn bbo bbr bbu bca bcb bcc bci bcn bco bcr bcu bcz bi- bia bib bic bii bin bio bir biu biz bna bnb bnc bni bnn bno bnr bnu bnz boa bob boc boi bon boo bor bou boz bra brb bri brn bro brr bru brz bua bub buc bui bun buo bur buu buz bza bzn bzo bzr bzu bzz c-- caa cab cac cai can cao car cau caz cba cbb cbc cbi cbn cbo cbr cbu cbz cca ccb ccc cci ccn cco ccr ccu ccz ci- cia cib cic cii cin cio cir ciu cn- cna cnb cnc cni cnn cno cnr cnu co- coa cob coc coi con coo cor cou coz cra crb crc cri crn cro crr cru crz cua cub cuc cui cun cuo cur cuu cuz cz- czc czo ia- iaa iab iac iai ian iao iar iau iaz iba ibb ibc ibi ibn ibo ibr ibu ibz ica icb icc ici icn ico icr icu icz iia iib iic iii iin iio iir iiu in- ina inb inc ini inn ino inr inu io- ioa iob ioc ioi ion ioo ior iou ir- ira irb irc iri irn iro irr iru iu- iua iub iuc iui iur iuz iza izi izo izu izz n-i naa nab nac nai nan nao nar nau naz nba nbb nbc nbi nbn nbo nbr nbu nca ncb ncc nci ncn nco ncr ncu nia nib nic nii nin nio nir niu niz nna nnb nnc nni nnn nno nnu nnz no- noa nob noc noi non noo nor nou noz nra nrb nrc nri nrn nro nrr nru nrz nua nub nuc nui nun nuo nur nuu nzb nzi nzo nzz o-i oaa oab oac oai oan oao oar oau ob- oba obb obc obi obn obo obr obu oc- oca ocb occ oci ocn oco ocr ocu ocz oia oib oic oii oin oio oir oiu oiz on- ona onb onc oni onn ono onr onu oo- ooa oob ooc ooi oon ooo oor or- ora orb orc ori orn oro orr oru orz ou- oua ouc oui oun ouo our oza ozo ozu ozz ra- raa rab rac rai ran rao rar rau raz rba rbb rbc rbi rbn rbo rbr rbu rca rcb rcc rci rcn rco rcr rcu ria rib ric rii rin rio rir riz rna rnb rnc rni rnn rno rnr rnu rnz roa rob roc roi ron roo ror rou roz rra rrb rrc rri rrn rrr rru rua rub ruc rui run ruo rur ruu ruz rza rzb rzo ua- uaa uab uac uai uan uao uar uau uaz uba ubb ubc ubi ubn ubo ubr ubu uca ucb ucc uci ucn uco ucr ucu uia uib uic uii uin uio uir uiu un- una unb unc uni unn uno unr unu uoa uob uoc uon uoo uor ur- ura urb urc uri urn uro urr uru urz uua uuc uun uur uuu uza uzb uzi uzo uzu zaa zab zac zai zan zao zar zaz zbb zbc zbr zco zia zib zin zio zir ziz znc znn zno zo- zoa zob zoc zoi zon zoo zor zou zro zub zuc zui zun zur zuz zzr zzz