-ic a-a a-b a-c a-i a-z aaa aab aac aai aak aao aau aav aaz ab- aba abb abc abi abk abo abu abv abz ac- aca acb acc aci ack aco acu acv acz ai- aia aib aic aii aik aio aiu aiv aiz aka akb akc aki akk ako aku akv aoa aob aoc aoi aok aoo aou aov au- aua aub auc aui auk auo auv auz av- ava avb avc avi avk avo avu avz az- aza azb azi azo azu azz b-u baa bab bac bai bak bao bau bav baz bba bbb bbc bbi bbk bbo bbu bca bcb bcc bci bck bco bcu bcv bcz bi- bia bib bic bii bik bio biu biv biz bka bkb bkc bkk bko bkv boa bob boc boi bok boo bou bov boz bua bub buc bui buk buo buu buz bva bvb bvc bvi bvk bvo bvu bvv bza bzo bzu bzz c-- caa cab cac cai cak cao cau cav caz cba cbb cbc cbi cbk cbo cbu cbv cbz cca ccb ccc cci cck cco ccu ccv ccz ci- cia cib cic cii cik cio ciu civ cka ckb ckc cki cko co- coa cob coc coi cok coo cou cov coz cua cub cuc cui cuk cuo cuu cuv cuz cva cvb cvc cvi cvk cvo cvu cvv cvz cz- czc czk czo i-v ia- iaa iab iac iai iao iau iav iaz iba ibb ibc ibi ibk ibo ibu ibv ibz ica icb icc ici ick ico icu icv icz iia iib iic iii iio iiu ika ikb ikc iki ikk iko iku ikv io- ioa iob ioc ioi ioo iou iov iu- iua iub iuc iui iuz iva ivb ivc ivi ivo ivu ivv iza izi izo izu izz k-z ka- kaa kab kac kai kak kao kau kav kaz kba kbb kbc kbi kbk kbo kbu kbz kca kcb kcc kci kck kcu kia kib kic kii kik kio kiu kiv kiz kkb kkc kki kkk kku kkv koa kob koc koi kok koo kou koz kub kuc kui kuk kuu kva kvb kvi kvk kvo kvv kzo o-i oaa oab oac oai oak oao oau oav ob- oba obb obc obi obk obo obu obv oc- oca ocb occ oci ock oco ocu ocv ocz oia oib oic oii oik oio oiu oiv oiz oka okb okc oki okk oko oku oo- ooa oob ooc ooi ook ooo oov ou- oua ouc oui ouk ouo ov- ova ovb ovc ovi ovo ovv oza ozo ozu ozz ua- uaa uab uac uai uak uao uau uav uaz uba ubb ubc ubi ubk ubo ubu ubv uca ucb ucc uci uck uco ucu ucv uia uib uic uii uio uiu uka ukb ukc uki ukk uku ukz uoa uob uoc uok uoo uua uuc uuu uva uvb uvc uvo uvu uvv uza uzb uzi uzo uzu v-a vaa vab vac vai vak vao vau vav vaz vba vbc vbi vbk vbo vbv vbz vca vcc vci vco vcu vi- via vib vic vii vik vio viu viv viz vka vkb voa vob voc voi vok voo vou vov voz vuk vuv vuz vva vvb vvc vvi vvo vvv vvz zaa zab zac zai zak zao zav zaz zbb zbc zbv zco zia zib zik zio ziv ziz zka zo- zoa zob zoc zoi zok zoo zou zub zuc zui zuk zuz zvi zzz