a-a a-b a-i a-q aaa aab aai aao aaq aar aau aav ab- aba abb abi abo abq abr abu abv ai- aia aib aii aio aiq air aiu aiv aoa aob aoi aoo aor aou aov aqa aqi aqo aqr ar- ara arb ari aro arq arr aru arv au- aua aub aui auo aur auv av- ava avb avi avo avq avr avu b-u baa bab bai bao baq bar bau bav bba bbb bbi bbo bbq bbr bbu bi- bia bib bii bio bir biu biv boa bob boi boo boq bor bou bov bra brb bri bro brq brr bru brv bua bub bui buo bur buu bva bvb bvi bvo bvr bvu bvv i-v ia- iaa iab iai iao iaq iar iau iav iba ibb ibi ibo ibr ibu ibv iia iib iii iio iir iiu io- ioa iob ioi ioo ior iou iov iqa iqu ir- ira irb iri iro irq irr iru irv iu- iua iub iui iur iva ivb ivi ivo ivr ivu ivv o-i oaa oab oai oao oaq oar oau oav ob- oba obb obi obo obr obu obv oia oib oii oio oir oiu oiv oo- ooa oob ooi ooo oor oov oqb oqo or- ora orb ori oro orr oru orv ou- oua oui ouo our ov- ova ovb ovi ovo ovv qaa qar qau qba qbq qio qir qiu qoi qoo qor qqq qqu qra qrb qri qru qu- qua qui quo qur qv- ra- raa rab rai rao raq rar rau rav rba rbb rbi rbo rbr rbu ria rib rii rio riq rir riv roa rob roi roo ror rou rov rra rrb rri rrq rrr rru rua rub rui ruo rur ruu ruv rva rvb rvi rvo rvr rvu rvv ua- uaa uab uai uao uaq uar uau uav uba ubb ubi ubo ubr ubu ubv uia uib uii uio uiq uir uiu uoa uob uoo uor ur- ura urb uri uro urr uru uua uur uuu uva uvb uvo uvu uvv v-a vaa vab vai vao var vau vav vba vbi vbo vbr vbv vi- via vib vii vio vir viu viv voa vob voi voo voq vor vou vov vqa vra vrb vri vrr vru vur vuv vva vvb vvi vvo vvr vvv