a-a a-b a-i a-t aaa aab aai aao aar aat aav ab- aba abb abi abo abr abt abv ai- aia aib aii aio air ait aiv aoa aob aoi aoo aor aot aov ar- ara arb ari aro arr art arv at- ata atb ati ato atr att atv av- ava avb avi avo avr avt baa bab bai bao bar bat bav bba bbb bbi bbo bbr bbt bi- bia bib bii bio bir bit biv boa bob boi boo bor bot bov bra brb bri bro brr brt brv bta btb bti bto btr btt btv bva bvb bvi bvo bvr bvt bvv i-v ia- iaa iab iai iao iar iat iav iba ibb ibi ibo ibr ibt ibv iia iib iii iio iir iit io- ioa iob ioi ioo ior iot iov ir- ira irb iri iro irr irt irv ita itb iti ito itt itv iva ivb ivi ivo ivr ivt ivv o-i oaa oab oai oao oar oat oav ob- oba obb obi obo obr obt obv oia oib oii oio oir oit oiv oo- ooa oob ooi ooo oor oot oov or- ora orb ori oro orr ort orv ot- ota otb oti oto otr ott otv ov- ova ovb ovi ovo ovv ra- raa rab rai rao rar rat rav rba rbb rbi rbo rbr rbt ria rib rii rio rir rit riv roa rob roi roo ror rot rov rra rrb rri rrr rrt rta rtb rti rto rtr rtt rtv rva rvb rvi rvo rvr rvt rvv taa tab tai tao tar tat tav tba tbb tbi tbo tbr tbt tbv tia tib tii tio tir tit tiv to- toa tob toi too tor tot tov tra trb tri tro trr trt trv tta ttb tti tto ttr ttt ttv tva tvb tvi tvo tvr tvt v-a vaa vab vai vao var vat vav vba vbi vbo vbr vbv vi- via vib vii vio vir vit viv voa vob voi voo vor vot vov vra vrb vri vrr vrt vta vtb vti vto vtr vtt vtv vva vvb vvi vvo vvr vvt vvv

a-ii a-iv aaaa aaab aaai aaar aaav aaba aabb aabi aabt aaib aaii aaoo aara aari aaro aart aata aatt aava abaa abab abai abar abat abb- abba abbb abbi abbo abbr abbt abia abib abir abit aboa abob aboo abor abot abov abra abri abro abta abva aiai aiba aibo aiia aiib aiir aioi aira airi airo airt aita aiti aitr aitt aiva aoba aora aorb aort arab arai arar arat arba arbi aria arib arii ario arit aroa arob aroi aroo aror arr- arra arri arro arrr arrt arta arti arto artr artv arva arvi arvo at-t ataa atab atai atar atat atia atit atob atoi ator atot atra atri atro atta atti atto attr atvi avab avao avar avat avia avio avit aviv avor avot avra avri avro avva avvo ba-i baaa baar baat baba babb babi babo babr baia baib baio bair bait bar- bara barb bari baro barr bart bata bati bato batt bava bavi bbbb biao biar biat biba bibb bibi bibo bio- bioi biot bira birb biri biro birr birt bita bito bitt bivi boab boai boar boat boba bobb bobi bobo boi- boii boit boob boor boot bor- bora bori boro borr bort bota botb boti boto bott bova bovi bovo brab brai brao brat brav bria brio brit broa brob broo bror brot brrr brvi btaa btob btor btrt bttb btvi iaaa iaai iaat iaba iaia iara iart iata iati iava ibar ibat ibia ibot ibra ibri ibro ibtb iiii iiio iiit iioi iioo iira iita iitr iitt ioba iobi ioii ioio ioit iooi iooo iora iori iota ioto irai irao irar iri- iria irio irob irov irra irri irta irti itaa itai itar itat itia itoi itoo itor itra itri itta itto ivai ivao ivar ivbv ivor oara obai obba obbo obia obit oboi obor obot obra obri obro obvi oiav oiba oiii oira oirt oita oiti ooaa ooba oobi ooia oooo oora oort ootb orab orai orao orar orat orav orba orbb orbi orbo ori- oria orio orit oro- oror orot orra orri orro orta orto orvr otar otit oto- otoo otor otov otra otro otta otti otto ovar ovi- ovo- ovoo ovot ovra raab raat raba rabb rabi rabo raia raii rair rait raob rara rarb rari raro rata rati rato ratt rava ravi rbbb rbbr riaa riab riai riat rib- riba ribo riia riot riri rita riti rito ritt riva rivo roab roar roat rob- roba robb robi robo robt roia roio roir roit roob rooi roor root rora rori roro rort rota roti roto rotr rott rova rovi rovo rrat rrrr rtai rtva rtvi taa- taar taat taba tabb tabi tabo taia taio tair tait taoa taor tara tarb tari taro tarr tart tata tatb tati tato tatr tatt tatv tava tavi tavo tbar tbit tbrb tbta tbvi tiaa tiab tiao tiar tiba tibi tiit tira tirb tiri tiro tirr tita titi tito titt tiva tivi tivo toab toat toba tobi tobo tobt toit tooa toor toot tora tori toro torr tort torv tota toti toto totr tott tova tovo traa trab trai trao trat trav tri- tria trib trio trit troa troi troo trot trra trtr ttab ttbb tttt tvri tvro tvrr tvtv vaar vaat vaia vaio vair vait vara vari varr vart vata vati vato vatt vava viar viii vira virb viri viro virr virt vita viti vito vitt viva vivi vivo voar voat voia voio voir voit voor voot vor- vora vori voro vort vota voto vrai vrav vrba vria vrio vrot vrto vt-i vvob vvvv

-aaa- a-iii aaaai aaata aabaa aabba aabra aaiib aaria aarti abaab ababa abaia abair abait abara abari abati abava abbai abbar abbat abbia abbot abiit abio- abira abita aboab aboat abobo aboot abora abort abott abovo abrar abrit abtaa abtao abtar aiaia aibar aiboa airai airba airor airto aitit aitor aivar aort- aorta ar-ab