a-a a-b a-i a-t aaa aab aai aao aas aat aav ab- aba abb abi abo abs abt abv ai- aia aib aii aio ais ait aiv aoa aob aoi aoo aos aot aov as- asa asb asi aso ass ast asv at- ata atb ati ato ats att atv av- ava avb avi avo avs avt baa bab bai bao bas bat bav bba bbb bbi bbo bbs bbt bi- bia bib bii bio bis bit biv boa bob boi boo bos bot bov bsa bsb bsi bso bss bst bsv bta btb bti bto bts btt btv bva bvb bvi bvo bvs bvt bvv i-v ia- iaa iab iai iao ias iat iav iba ibb ibi ibo ibs ibt ibv iia iib iii iio iis iit io- ioa iob ioi ioo ios iot iov is- isa isb isi iso iss ist isv ita itb iti ito its itt itv iva ivb ivi ivo ivs ivt ivv o-i oaa oab oai oao oas oat oav ob- oba obb obi obo obs obt obv oia oib oii oio ois oit oiv oo- ooa oob ooi ooo oos oot oov os- osa osb osi oso oss ost osv ot- ota otb oti oto ots ott otv ov- ova ovb ovi ovo ovs ovv saa sab sai sao sas sat sav sba sbb sbi sbo sbs sbt sbv sia sib sii sio sis sit siv soa sob soi soo sos sot sov ss- ssa ssb ssi sso sss sst ssv sta stb sti sto sts stt stv sva svb svi svo svs svt svv taa tab tai tao tas tat tav tba tbb tbi tbo tbs tbt tbv tia tib tii tio tis tit tiv to- toa tob toi too tos tot tov tsa tsb tsi tso tss tst tsv tta ttb tti tto tts ttt ttv tva tvb tvi tvo tvs tvt v-a vaa vab vai vao vas vat vav vba vbi vbo vbs vbv vi- via vib vii vio vis vit viv voa vob voi voo vos vot vov vsa vsb vsi vso vss vst vsv vta vtb vti vto vts vtt vtv vva vvb vvi vvo vvs vvt vvv

a-ii a-iv aaaa aaab aaai aaas aaav aaba aabb aabi aabt aaib aaii aais aaoo aasa aasi aass aast aata aatt aava abaa abab abai abas abat abb- abba abbb abbi abbo abbs abbt abia abib abis abit aboa abob aboo abos abot abov abs- absa absi abss abta abts abva aiai aias aiba aibo aiia aiib aioi aisa aisb aisi aiso aist aita aiti aits aitt aiva aoba aoss asaa asab asai asao asas asat asba asbo asia asii asio asis asit asob asoi asos asot assa assi asso asss asst asta astb asti asto asts astv asva asvs at-t ataa atab atai atas atat atbs atia atis atit atob atoi atos atot atsb atsi atst atta atti atto atts atvi atvs avab avao avas avat avia avio avis avit aviv avos avot avst avva avvo ba-i baaa baas baat baba babb babi babo babs baia baib baio bais bait baos basa basi baso bass bast bata bati bato bats batt bava bavi bbas bbbb bbbs biao bias biat biba bibb bibi bibo bibs biis bio- bioi bios biot bis- bisa biso biss bist bita bito bits bitt bivi boab boai boas boat boba bobb bobi bobo bobs boi- boii bois boit boob boos boot bosa bosi boso boss bost bota botb boti boto bots bott bova bovi bovo bsaa bsas bsat bsos bsts bstv btaa btob btss bttb btvi iaaa iaai iaas iaat iaba iaia iais iasa iasi iaso iata iati iava ibas ibat ibia ibis ibos ibot ibsa ibss ibtb ibts iias iiii iiio iiis iiit iioi iioo iios iisi iist iita iitt ioba iobi ioii ioio ioit iooi iooo ioos ioso iota ioto is-a isai isao isas isat isba isbt isia isis isit iso- isos issa issi isso isss ista isti isto ists itaa itai itas itat itbs itia itis itoi itoo itos itsa itsi itso itta itto ivai ivao ivbv oais oasi oass oast oats oavs obai obas obba obbo obia obis obit oboi obos obot obss obst obts obvi obvs oiav oiba oiii oios oist oita oiti ooaa ooba oobi ooia oooo ooos oosa oosi oost ootb oots osai osas osat osba osia osii osis osoi osoo osos osov ossa ossb ossi osso osta osti osts otas otbs otis otit oto- otoo otos otov otsa otso otta otti otto otts ovi- ovis ovo- ovoo ovot s-ib s-ii s-iv s-os s-vt saab saas saat saba sabb sabi sabo sabs saia sais sait saiv saoi saos sasa sasi saso sass sast sata satb sati sato sats satt sava savi savo savs sbaa sbai sbas sbbs sbia sbot sbsa sbsi sbst siaa siab siai sias siat siba sibi sibo sibs siit sios siot sisa sisi siss sist sit- sita siti sito sits sitt siva sivi soas soat soba sobo sobs sobt soia sois soit soos soot sosa sosi soso soss sost sosv sota soto sots sova sovo sovs ssaa ssab ssao ssas ssat ssis ssit ssot sssa sssb sssi ssss ssta sstb ssts st-v stab stai stas stat stbs stia stib stio stis stit stoa stob stoo stos stot stsi stss stvs svit taa- taas taat taba tabb tabi tabo tabs taia taio tais tait taoa taos tasa tasb tasi tass tast tata tatb tati tato tats tatt tatv tava tavi tavo tavs tbas tbbs tbit tbst tbta tbvi tiaa tiab tiao tias tiba tibi tibs tiit tios tisa tisb tisi tiso tiss tist tita titi tito tits titt tiva tivi tivo toab toas toat toba tobi tobo tobs tobt tois toit tooa toos toot tosa tosb tosi toso toss tost tota toti toto tots tott tova tovo tsaa tsai tsao tsat tsav tsia tsis tsiv tsob tsoi tsos tssa tssi tsst tsts tsvi ttab ttbb ttss tttt tvbs tvis tvos tvsa tvss tvtv vaas vaat vabs vaia vaio vais vait vas- vasa vasi vaso vass vast