-ic a-a a-b a-c a-i a-t aaa aab aac aai aao aat aav aay ab- aba abb abc abi abo abt abv aby ac- aca acb acc aci aco act acv acy ai- aia aib aic aii aio ait aiv aiy aoa aob aoc aoi aoo aot aov at- ata atb atc ati ato att atv av- ava avb avc avi avo avt avy ay- aya ayc ayi ayo ayt baa bab bac bai bao bat bav bay bba bbb bbc bbi bbo bbt bby bca bcb bcc bci bco bct bcv bcy bi- bia bib bic bii bio bit biv biy boa bob boc boi boo bot bov boy bta btb btc bti bto btt btv bty bva bvb bvc bvi bvo bvt bvv by- bya byc byi byo byt c-- caa cab cac cai cao cat cav cay cba cbb cbc cbi cbo cbt cbv cby cca ccb ccc cci cco cct ccv ci- cia cib cic cii cio cit civ co- coa cob coc coi coo cot cov coy cta ctb ctc cti cto ctt ctv cty cva cvb cvc cvi cvo cvt cvv cya cyb cyc cyo cyt i-v ia- iaa iab iac iai iao iat iav iba ibb ibc ibi ibo ibt ibv iby ica icb icc ici ico ict icv icy iia iib iic iii iio iit io- ioa iob ioc ioi ioo iot iov ita itb itc iti ito itt itv ity iva ivb ivc ivi ivo ivt ivv ivy iya iyc iyo iyt iyy o-i oaa oab oac oai oao oat oav ob- oba obb obc obi obo obt obv oby oc- oca ocb occ oci oco oct ocv oia oib oic oii oio oit oiv oo- ooa oob ooc ooi ooo oot oov ot- ota otb otc oti oto ott otv ov- ova ovb ovc ovi ovo ovv oya oyi oyo taa tab tac tai tao tat tav tay tba tbb tbc tbi tbo tbt tbv tca tcb tcc tci tco tct tcv tia tib tic tii tio tit tiv tiy to- toa tob toc toi too tot tov toy tta ttb ttc tti tto ttt ttv tty tva tvb tvc tvi tvo tvt tvy tya tyc tyo tyt v-a vaa vab vac vai vao vat vav vay vba vbc vbi vbo vbv vca vcc vci vco vct vcy vi- via vib vic vii vio vit viv viy voa vob voc voi voo vot vov voy vta vtb vtc vti vto vtt vtv vty vva vvb vvc vvi vvo vvt vvv vyt yaa yab yac yai yao yat yav yay ybc ybi yby yca ycc yci yco ycv ycy yii yio yit yob yoc yoi yoo yot yoy yta ytc yto ytt ytv yva yvi yvo yvy yyb yyc yyt yyy