-ic a-a a-b a-c a-i a-t aaa aab aac aai aak aao aar aat aau aav ab- aba abb abc abi abk abo abr abt abu abv ac- aca acb acc aci ack aco acr act acu acv ai- aia aib aic aii aik aio air ait aiu aiv aka akb akc aki akk ako akr aku akv aoa aob aoc aoi aok aoo aor aot aou aov ar- ara arb arc ari ark aro arr art aru arv at- ata atb atc ati ato atr att atu atv au- aua aub auc aui auk auo aur aut auv av- ava avb avc avi avk avo avr avt avu b-u baa bab bac bai bak bao bar bat bau bav bba bbb bbc bbi bbk bbo bbr bbt bbu bca bcb bcc bci bck bco bcr bct bcu bcv bi- bia bib bic bii bik bio bir bit biu biv bka bkb bkc bkk bko bkr bkt bkv boa bob boc boi bok boo bor bot bou bov bra brb bri brk bro brr brt bru brv bta btb btc bti btk bto btr btt btu btv bua bub buc bui buk buo bur but buu bva bvb bvc bvi bvk bvo bvr bvt bvu bvv c-- caa cab cac cai cak cao car cat cau cav cba cbb cbc cbi cbk cbo cbr cbt cbu cbv cca ccb ccc cci cck cco ccr cct ccu ccv ci- cia cib cic cii cik cio cir cit ciu civ cka ckb ckc cki cko ckt co- coa cob coc coi cok coo cor cot cou cov cra crb crc cri crk cro crr crt cru crv cta ctb ctc cti ctk cto ctr ctt ctu ctv cua cub cuc cui cuk cuo cur cut cuu cuv cva cvb cvc cvi cvk cvo cvr cvt cvu cvv i-v ia- iaa iab iac iai iao iar iat iau iav iba ibb ibc ibi ibk ibo ibr ibt ibu ibv ica icb icc ici ick ico icr ict icu icv iia iib iic iii iio iir iit iiu ika ikb ikc iki ikk iko ikr ikt iku ikv io- ioa iob ioc ioi ioo ior iot iou iov ir- ira irb irc iri irk iro irr irt iru irv ita itb itc iti itk ito itt itu itv iu- iua iub iuc iui iur iut iva ivb ivc ivi ivo ivr ivt ivu ivv k-t ka- kaa kab kac kai kak kao kar kat kau kav kba kbb kbc kbi kbk kbo kbr kbu kca kcb kcc kci kck kcr kct kcu kia kib kic kii kik kio kir kit kiu kiv kkb kkc kki kkk kkr kkt kku kkv koa kob koc koi kok koo kor kot kou kra krc kri krk kro krr krt kru krv kta ktb ktc ktk kto ktr ktt ktu ktv kub kuc kui kuk kur kut kuu kva kvb kvi kvk kvo kvr kvv o-i oaa oab oac oai oak oao oar oat oau oav ob- oba obb obc obi obk obo obr obt obu obv oc- oca ocb occ oci ock oco ocr oct ocu ocv oia oib oic oii oik oio oir oit oiu oiv oka okb okc oki okk oko okr oku oo- ooa oob ooc ooi ook ooo oor oot oov or- ora orb orc ori ork oro orr ort oru orv ot- ota otb otc oti otk oto otr ott otu otv ou- oua ouc oui ouk ouo our out ov- ova ovb ovc ovi ovo ovv ra- raa rab rac rai rak rao rar rat rau rav rba rbb rbc rbi rbk rbo rbr rbt rbu rca rcb rcc rci rco rcr rct rcu rcv ria rib ric rii rik rio rir rit riv rkb rkc rkk rko rkt rku rkv roa rob roc roi rok roo ror rot rou rov rra rrb rrc rri rrk rrr rrt rru rta rtb rtc rti rtk rto rtr rtt rtu rtv rua rub ruc rui ruk ruo rur rut ruu ruv rva rvb rvc rvi rvo rvr rvt rvu rvv taa tab tac tai tak tao tar tat tau tav tba tbb tbc tbi tbk tbo tbr tbt tbu tbv tca tcb tcc tci tck tco tcr tct tcu tcv tia tib tic tii tik tio tir tit tiu tiv tka tkb tkc tkk tko tkr tkt to- toa tob toc toi tok too tor tot tou tov tra trb trc tri trk tro trr trt tru trv tta ttb ttc tti ttk tto ttr ttt ttu ttv tua tub tuc tui tuk tuo tur tut tuu tuv tva tvb tvc tvi tvk tvo tvr tvt tvu ua- uaa uab uac uai uak uao uar uat uau uav uba ubb ubc ubi ubk ubo ubr ubt ubu ubv uca ucb ucc uci uck uco ucr uct ucu ucv uia uib uic uii uio uir uit uiu uka ukb ukc uki ukk ukr uku uoa uob uoc uok uoo uor uot ur- ura urb urc uri urk uro urr urt uru uta utb utc uti utk uto utr utt utu utv uua uuc uur uut uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vai vak vao var vat vau vav vba vbc vbi vbk vbo vbr vbv vca vcc vci vco vcr vct vcu vi- via vib vic vii vik vio vir vit viu viv vka vkb vkt voa vob voc voi vok voo vor vot vou vov vra vrb vrc vri vrk vrr vrt vru vta vtb vtc vti vtk vto vtr vtt vtu vtv vuk vur vut vuv vva vvb vvc vvi vvo vvr vvt vvv