-ic a-a a-b a-c a-i aaa aab aac aad aai aao aau aav ab- aba abb abc abd abi abo abu abv ac- aca acb acc acd aci aco acu acv ad- ada adb adc add adi ado adu adv ai- aia aib aic aid aii aio aiu aiv aoa aob aoc aod aoi aoo aou aov au- aua aub auc aud aui auo auv av- ava avb avc avd avi avo avu b-u baa bab bac bad bai bao bau bav bba bbb bbc bbd bbi bbo bbu bca bcb bcc bcd bci bco bcu bcv bda bdb bdc bdd bdi bdo bdu bdv bi- bia bib bic bid bii bio biu biv boa bob boc bod boi boo bou bov bua bub buc bud bui buo buu bva bvb bvc bvd bvi bvo bvu bvv c-- caa cab cac cad cai cao cau cav cba cbb cbc cbd cbi cbo cbu cbv cca ccb ccc ccd cci cco ccu ccv cda cdb cdc cdd cdi cdo cdu cdv ci- cia cib cic cid cii cio ciu civ co- coa cob coc cod coi coo cou cov cua cub cuc cud cui cuo cuu cuv cva cvb cvc cvd cvi cvo cvu cvv daa dab dac dad dai dao dau dav dba dbb dbc dbd dbi dbo dbu dbv dca dcb dcc dcd dci dco dcu dcv dda ddb ddc ddd ddi ddo ddu di- dia dib dic did dii dio diu div doa dob doc dod doi doo dou dov dua dub duc dud dui duo duv dva dvb dvc dvd dvi dvu i-d i-v ia- iaa iab iac iad iai iao iau iav iba ibb ibc ibd ibi ibo ibu ibv ica icb icc icd ici ico icu icv ida idb idc idd idi ido idu idv iia iib iic iid iii iio iiu io- ioa iob ioc iod ioi ioo iou iov iu- iua iub iuc iud iui iva ivb ivc ivd ivi ivo ivu ivv o-i oaa oab oac oad oai oao oau oav ob- oba obb obc obd obi obo obu obv oc- oca ocb occ ocd oci oco ocu ocv oda odb odc odd odi odo odu odv oia oib oic oid oii oio oiu oiv oo- ooa oob ooc ood ooi ooo oov ou- oua ouc oud oui ouo ov- ova ovb ovc ovd ovi ovo ovv ua- uaa uab uac uad uai uao uau uav uba ubb ubc ubi ubo ubu ubv uca ucb ucc ucd uci uco ucu ucv uda udb udc udd udi udo udu udv uia uib uic uid uii uio uiu uoa uob uoc uod uoo uua uuc uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vad vai vao vau vav vba vbc vbd vbi vbo vbv vca vcc vcd vci vco vcu vdb vdc vdd vdi vdo vdu vdv vi- via vib vic vid vii vio viu viv voa vob voc vod voi voo vou vov vuv vva vvb vvc vvi vvo vvv